diff --git a/amalgamate.py b/amalgamate.py
index 9cb2d08cc..f4bff4da3 100644
--- a/amalgamate.py
+++ b/amalgamate.py
@@ -1,9 +1,9 @@
-"""Amalgate json-cpp library sources into a single source and header file.
+"""Amalgamate json-cpp library sources into a single source and header file.
 
 Works with python2.6+ and python3.4+.
 
 Example of invocation (must be invoked from json-cpp top directory):
-python amalgate.py
+python amalgamate.py
 """
 import os
 import os.path
@@ -50,20 +50,20 @@ def write_to(self, output_path):
 def amalgamate_source(source_top_dir=None,
                        target_source_path=None,
                        header_include_path=None):
-    """Produces amalgated source.
+    """Produces amalgamated source.
        Parameters:
            source_top_dir: top-directory
            target_source_path: output .cpp path
            header_include_path: generated header path relative to target_source_path.
     """
-    print("Amalgating header...")
+    print("Amalgamating header...")
     header = AmalgamationFile(source_top_dir)
-    header.add_text("/// Json-cpp amalgated header (http://jsoncpp.sourceforge.net/).")
+    header.add_text("/// Json-cpp amalgamated header (http://jsoncpp.sourceforge.net/).")
     header.add_text('/// It is intended to be used with #include "%s"' % header_include_path)
     header.add_file("LICENSE", wrap_in_comment=True)
-    header.add_text("#ifndef JSON_AMALGATED_H_INCLUDED")
-    header.add_text("# define JSON_AMALGATED_H_INCLUDED")
-    header.add_text("/// If defined, indicates that the source file is amalgated")
+    header.add_text("#ifndef JSON_AMALGAMATED_H_INCLUDED")
+    header.add_text("# define JSON_AMALGAMATED_H_INCLUDED")
+    header.add_text("/// If defined, indicates that the source file is amalgamated")
     header.add_text("/// to prevent private header inclusion.")
     header.add_text("#define JSON_IS_AMALGAMATION")
     header.add_file("include/json/version.h")
@@ -75,37 +75,37 @@ def amalgamate_source(source_top_dir=None,
     header.add_file("include/json/reader.h")
     header.add_file("include/json/writer.h")
     header.add_file("include/json/assertions.h")
-    header.add_text("#endif //ifndef JSON_AMALGATED_H_INCLUDED")
+    header.add_text("#endif //ifndef JSON_AMALGAMATED_H_INCLUDED")
 
     target_header_path = os.path.join(os.path.dirname(target_source_path), header_include_path)
-    print("Writing amalgated header to %r" % target_header_path)
+    print("Writing amalgamated header to %r" % target_header_path)
     header.write_to(target_header_path)
 
     base, ext = os.path.splitext(header_include_path)
     forward_header_include_path = base + "-forwards" + ext
-    print("Amalgating forward header...")
+    print("Amalgamating forward header...")
     header = AmalgamationFile(source_top_dir)
-    header.add_text("/// Json-cpp amalgated forward header (http://jsoncpp.sourceforge.net/).")
+    header.add_text("/// Json-cpp amalgamated forward header (http://jsoncpp.sourceforge.net/).")
     header.add_text('/// It is intended to be used with #include "%s"' % forward_header_include_path)
     header.add_text("/// This header provides forward declaration for all JsonCpp types.")
     header.add_file("LICENSE", wrap_in_comment=True)
-    header.add_text("#ifndef JSON_FORWARD_AMALGATED_H_INCLUDED")
-    header.add_text("# define JSON_FORWARD_AMALGATED_H_INCLUDED")
-    header.add_text("/// If defined, indicates that the source file is amalgated")
+    header.add_text("#ifndef JSON_FORWARD_AMALGAMATED_H_INCLUDED")
+    header.add_text("# define JSON_FORWARD_AMALGAMATED_H_INCLUDED")
+    header.add_text("/// If defined, indicates that the source file is amalgamated")
     header.add_text("/// to prevent private header inclusion.")
     header.add_text("#define JSON_IS_AMALGAMATION")
     header.add_file("include/json/config.h")
     header.add_file("include/json/forwards.h")
-    header.add_text("#endif //ifndef JSON_FORWARD_AMALGATED_H_INCLUDED")
+    header.add_text("#endif //ifndef JSON_FORWARD_AMALGAMATED_H_INCLUDED")
 
     target_forward_header_path = os.path.join(os.path.dirname(target_source_path),
                                                forward_header_include_path)
-    print("Writing amalgated forward header to %r" % target_forward_header_path)
+    print("Writing amalgamated forward header to %r" % target_forward_header_path)
     header.write_to(target_forward_header_path)
 
-    print("Amalgating source...")
+    print("Amalgamating source...")
     source = AmalgamationFile(source_top_dir)
-    source.add_text("/// Json-cpp amalgated source (http://jsoncpp.sourceforge.net/).")
+    source.add_text("/// Json-cpp amalgamated source (http://jsoncpp.sourceforge.net/).")
     source.add_text('/// It is intended to be used with #include "%s"' % header_include_path)
     source.add_file("LICENSE", wrap_in_comment=True)
     source.add_text("")
@@ -123,12 +123,12 @@ def amalgamate_source(source_top_dir=None,
     source.add_file(os.path.join(lib_json, "json_value.cpp"))
     source.add_file(os.path.join(lib_json, "json_writer.cpp"))
 
-    print("Writing amalgated source to %r" % target_source_path)
+    print("Writing amalgamated source to %r" % target_source_path)
     source.write_to(target_source_path)
 
 def main():
     usage = """%prog [options]
-Generate a single amalgated source and header file from the sources.
+Generate a single amalgamated source and header file from the sources.
 """
     from optparse import OptionParser
     parser = OptionParser(usage=usage)
@@ -136,7 +136,7 @@ def main():
     parser.add_option("-s", "--source", dest="target_source_path", action="store", default="dist/jsoncpp.cpp",
         help="""Output .cpp source path. [Default: %default]""")
     parser.add_option("-i", "--include", dest="header_include_path", action="store", default="json/json.h",
-        help="""Header include path. Used to include the header from the amalgated source file. [Default: %default]""")
+        help="""Header include path. Used to include the header from the amalgamated source file. [Default: %default]""")
     parser.add_option("-t", "--top-dir", dest="top_dir", action="store", default=os.getcwd(),
         help="""Source top-directory. [Default: %default]""")
     parser.enable_interspersed_args()
@@ -149,7 +149,7 @@ def main():
         sys.stderr.write(msg + "\n")
         sys.exit(1)
     else:
-        print("Source succesfully amalagated")
+        print("Source successfully amalgamated")
 
 if __name__ == "__main__":
     main()
diff --git a/doc/doxyfile.in b/doc/doxyfile.in
index 7265a2267..7bbe9bc5c 100644
--- a/doc/doxyfile.in
+++ b/doc/doxyfile.in
@@ -271,7 +271,7 @@ OPTIMIZE_OUTPUT_VHDL   = NO
 # parses. With this tag you can assign which parser to use for a given
 # extension. Doxygen has a built-in mapping, but you can override or extend it
 # using this tag. The format is ext=language, where ext is a file extension, and
-# language is one of the parsers supported by doxygen: IDL, Java, Javascript,
+# language is one of the parsers supported by doxygen: IDL, Java, JavaScript,
 # C#, C, C++, D, PHP, Objective-C, Python, Fortran, VHDL. For instance to make
 # doxygen treat .inc files as Fortran files (default is PHP), and .f files as C
 # (default is Fortran), use: inc=Fortran f=C.
@@ -1408,7 +1408,7 @@ FORMULA_FONTSIZE       = 10
 FORMULA_TRANSPARENT    = YES
 
 # Enable the USE_MATHJAX option to render LaTeX formulas using MathJax (see
-# http://www.mathjax.org) which uses client side Javascript for the rendering
+# http://www.mathjax.org) which uses client side JavaScript for the rendering
 # instead of using prerendered bitmaps. Use this if you do not have LaTeX
 # installed or if you want to formulas look prettier in the HTML output. When
 # enabled you may also need to install MathJax separately and configure the path
@@ -1478,7 +1478,7 @@ MATHJAX_CODEFILE       =
 SEARCHENGINE           = NO
 
 # When the SERVER_BASED_SEARCH tag is enabled the search engine will be
-# implemented using a web server instead of a web client using Javascript. There
+# implemented using a web server instead of a web client using JavaScript. There
 # are two flavours of web server based searching depending on the
 # EXTERNAL_SEARCH setting. When disabled, doxygen will generate a PHP script for
 # searching and an index file used by the script. When EXTERNAL_SEARCH is
@@ -1959,7 +1959,7 @@ PREDEFINED             = "_MSC_VER=1400" \
 EXPAND_AS_DEFINED      =
 
 # If the SKIP_FUNCTION_MACROS tag is set to YES then doxygen's preprocessor will
-# remove all refrences to function-like macros that are alone on a line, have an
+# remove all references to function-like macros that are alone on a line, have an
 # all uppercase name, and do not end with a semicolon. Such function macros are
 # typically used for boiler-plate code, and will confuse the parser if not
 # removed.
diff --git a/doc/web_doxyfile.in b/doc/web_doxyfile.in
index f221e64be..7b4c9340d 100644
--- a/doc/web_doxyfile.in
+++ b/doc/web_doxyfile.in
@@ -271,7 +271,7 @@ OPTIMIZE_OUTPUT_VHDL   = NO
 # parses. With this tag you can assign which parser to use for a given
 # extension. Doxygen has a built-in mapping, but you can override or extend it
 # using this tag. The format is ext=language, where ext is a file extension, and
-# language is one of the parsers supported by doxygen: IDL, Java, Javascript,
+# language is one of the parsers supported by doxygen: IDL, Java, JavaScript,
 # C#, C, C++, D, PHP, Objective-C, Python, Fortran, VHDL. For instance to make
 # doxygen treat .inc files as Fortran files (default is PHP), and .f files as C
 # (default is Fortran), use: inc=Fortran f=C.
@@ -1408,7 +1408,7 @@ FORMULA_FONTSIZE       = 10
 FORMULA_TRANSPARENT    = YES
 
 # Enable the USE_MATHJAX option to render LaTeX formulas using MathJax (see
-# http://www.mathjax.org) which uses client side Javascript for the rendering
+# http://www.mathjax.org) which uses client side JavaScript for the rendering
 # instead of using prerendered bitmaps. Use this if you do not have LaTeX
 # installed or if you want to formulas look prettier in the HTML output. When
 # enabled you may also need to install MathJax separately and configure the path
@@ -1478,7 +1478,7 @@ MATHJAX_CODEFILE       =
 SEARCHENGINE           = NO
 
 # When the SERVER_BASED_SEARCH tag is enabled the search engine will be
-# implemented using a web server instead of a web client using Javascript. There
+# implemented using a web server instead of a web client using JavaScript. There
 # are two flavours of web server based searching depending on the
 # EXTERNAL_SEARCH setting. When disabled, doxygen will generate a PHP script for
 # searching and an index file used by the script. When EXTERNAL_SEARCH is
@@ -1947,7 +1947,7 @@ PREDEFINED             = "_MSC_VER=1400" \
 EXPAND_AS_DEFINED      =
 
 # If the SKIP_FUNCTION_MACROS tag is set to YES then doxygen's preprocessor will
-# remove all refrences to function-like macros that are alone on a line, have an
+# remove all references to function-like macros that are alone on a line, have an
 # all uppercase name, and do not end with a semicolon. Such function macros are
 # typically used for boiler-plate code, and will confuse the parser if not
 # removed.
diff --git a/doxybuild.py b/doxybuild.py
index f18c9c069..862c1f43f 100644
--- a/doxybuild.py
+++ b/doxybuild.py
@@ -156,7 +156,7 @@ def yesno(bool):
 def main():
     usage = """%prog
     Generates doxygen documentation in build/doxygen.
-    Optionaly makes a tarball of the documentation to dist/.
+    Optionally makes a tarball of the documentation to dist/.
 
     Must be started in the project top directory.    
     """
diff --git a/include/json/config.h b/include/json/config.h
index c83e78a3f..d6bad30a2 100644
--- a/include/json/config.h
+++ b/include/json/config.h
@@ -25,9 +25,9 @@
 #define JSON_USE_EXCEPTION 1
 #endif
 
-/// If defined, indicates that the source file is amalgated
+/// If defined, indicates that the source file is amalgamated
 /// to prevent private header inclusion.
-/// Remarks: it is automatically defined in the generated amalgated header.
+/// Remarks: it is automatically defined in the generated amalgamated header.
 // #define JSON_IS_AMALGAMATION
 
 #ifdef JSON_IN_CPPTL
@@ -78,7 +78,7 @@
 
 #endif // defined(_MSC_VER)
 
-// In c++11 the override keyword allows you to explicity define that a function
+// In c++11 the override keyword allows you to explicitly define that a function
 // is intended to override the base-class version.  This makes the code more
 // managable and fixes a set of common hard-to-find bugs.
 #if __cplusplus >= 201103L
diff --git a/include/json/value.h b/include/json/value.h
index 2e533142f..be40c300d 100644
--- a/include/json/value.h
+++ b/include/json/value.h
@@ -116,7 +116,7 @@ enum CommentPlacement {
 
 /** \brief Lightweight wrapper to tag static string.
  *
- * Value constructor and objectValue member assignement takes advantage of the
+ * Value constructor and objectValue member assignment takes advantage of the
  * StaticString and avoid the cost of string duplication when storing the
  * string or the member name.
  *
diff --git a/include/json/writer.h b/include/json/writer.h
index 5280016ce..2278bc8a9 100644
--- a/include/json/writer.h
+++ b/include/json/writer.h
@@ -99,7 +99,7 @@ class JSON_API StreamWriterBuilder : public StreamWriter::Factory {
     - "dropNullPlaceholders": false or true
       - Drop the "null" string from the writer's output for nullValues.
         Strictly speaking, this is not valid JSON. But when the output is being
-        fed to a browser's Javascript, it makes for smaller output and the
+        fed to a browser's JavaScript, it makes for smaller output and the
         browser can handle the output just fine.
     - "useSpecialFloats": false or true
       - If true, outputs non-finite floating point values in the following way:
@@ -169,7 +169,7 @@ class JSONCPP_DEPRECATED("Use StreamWriterBuilder instead") JSON_API FastWriter
 
   /** \brief Drop the "null" string from the writer's output for nullValues.
    * Strictly speaking, this is not valid JSON. But when the output is being
-   * fed to a browser's Javascript, it makes for smaller output and the
+   * fed to a browser's JavaScript, it makes for smaller output and the
    * browser can handle the output just fine.
    */
   void dropNullPlaceholders();
@@ -183,7 +183,7 @@ class JSONCPP_DEPRECATED("Use StreamWriterBuilder instead") JSON_API FastWriter
   void writeValue(const Value& value);
 
   JSONCPP_STRING document_;
-  bool yamlCompatiblityEnabled_;
+  bool yamlCompatibilityEnabled_;
   bool dropNullPlaceholders_;
   bool omitEndingLineFeed_;
 };
@@ -234,7 +234,7 @@ class JSONCPP_DEPRECATED("Use StreamWriterBuilder instead") JSON_API StyledWrite
 private:
   void writeValue(const Value& value);
   void writeArrayValue(const Value& value);
-  bool isMultineArray(const Value& value);
+  bool isMultilineArray(const Value& value);
   void pushValue(const JSONCPP_STRING& value);
   void writeIndent();
   void writeWithIndent(const JSONCPP_STRING& value);
@@ -307,7 +307,7 @@ class JSONCPP_DEPRECATED("Use StreamWriterBuilder instead") JSON_API StyledStrea
 private:
   void writeValue(const Value& value);
   void writeArrayValue(const Value& value);
-  bool isMultineArray(const Value& value);
+  bool isMultilineArray(const Value& value);
   void pushValue(const JSONCPP_STRING& value);
   void writeIndent();
   void writeWithIndent(const JSONCPP_STRING& value);
diff --git a/makerelease.py b/makerelease.py
index ba2e9aa40..bc716cbab 100644
--- a/makerelease.py
+++ b/makerelease.py
@@ -265,7 +265,7 @@ def main():
 
 Must be started in the project top directory.
 
-Warning: --force should only be used when developping/testing the release script.
+Warning: --force should only be used when developing/testing the release script.
 """
     from optparse import OptionParser
     parser = OptionParser(usage=usage)
@@ -377,7 +377,7 @@ def main():
                                          user=options.user, sftp=options.sftp)
             print('Source and doc release tarballs uploaded')
         else:
-            print('No upload user specified. Web site and download tarbal were not uploaded.')
+            print('No upload user specified. Web site and download tarball were not uploaded.')
             print('Tarball can be found at:', doc_tarball_path)
 
         # Set next version number and commit            
diff --git a/src/lib_json/json_tool.h b/src/lib_json/json_tool.h
index 51aa7a07e..4590bfcf4 100644
--- a/src/lib_json/json_tool.h
+++ b/src/lib_json/json_tool.h
@@ -71,7 +71,7 @@ enum {
 typedef char UIntToStringBuffer[uintToStringBufferSize];
 
 /** Converts an unsigned integer to string.
- * @param value Unsigned interger to convert to string
+ * @param value Unsigned integer to convert to string
  * @param current Input/Output string buffer.
  *        Must have at least uintToStringBufferSize chars free.
  */
diff --git a/src/lib_json/json_writer.cpp b/src/lib_json/json_writer.cpp
index 0852b48b1..9a912acf8 100644
--- a/src/lib_json/json_writer.cpp
+++ b/src/lib_json/json_writer.cpp
@@ -128,7 +128,7 @@ JSONCPP_STRING valueToString(double value, bool useSpecialFloats, unsigned int p
   snprintf(formatString, sizeof(formatString), "%%.%dg", precision);
 
   // Print into the buffer. We need not request the alternative representation
-  // that always has a decimal point because JSON doesn't distingish the
+  // that always has a decimal point because JSON doesn't distinguish the
   // concepts of reals and integers.
   if (isfinite(value)) {
     len = snprintf(buffer, sizeof(buffer), formatString, value);
@@ -334,10 +334,10 @@ Writer::~Writer() {}
 // //////////////////////////////////////////////////////////////////
 
 FastWriter::FastWriter()
-    : yamlCompatiblityEnabled_(false), dropNullPlaceholders_(false),
+    : yamlCompatibilityEnabled_(false), dropNullPlaceholders_(false),
       omitEndingLineFeed_(false) {}
 
-void FastWriter::enableYAMLCompatibility() { yamlCompatiblityEnabled_ = true; }
+void FastWriter::enableYAMLCompatibility() { yamlCompatibilityEnabled_ = true; }
 
 void FastWriter::dropNullPlaceholders() { dropNullPlaceholders_ = true; }
 
@@ -397,7 +397,7 @@ void FastWriter::writeValue(const Value& value) {
       if (it != members.begin())
         document_ += ',';
       document_ += valueToQuotedStringN(name.data(), static_cast<unsigned>(name.length()));
-      document_ += yamlCompatiblityEnabled_ ? ": " : ":";
+      document_ += yamlCompatibilityEnabled_ ? ": " : ":";
       writeValue(value[name]);
     }
     document_ += '}';
@@ -486,7 +486,7 @@ void StyledWriter::writeArrayValue(const Value& value) {
   if (size == 0)
     pushValue("[]");
   else {
-    bool isArrayMultiLine = isMultineArray(value);
+    bool isArrayMultiLine = isMultilineArray(value);
     if (isArrayMultiLine) {
       writeWithIndent("[");
       indent();
@@ -524,7 +524,7 @@ void StyledWriter::writeArrayValue(const Value& value) {
   }
 }
 
-bool StyledWriter::isMultineArray(const Value& value) {
+bool StyledWriter::isMultilineArray(const Value& value) {
   ArrayIndex const size = value.size();
   bool isMultiLine = size * 3 >= rightMargin_;
   childValues_.clear();
@@ -703,7 +703,7 @@ void StyledStreamWriter::writeArrayValue(const Value& value) {
   if (size == 0)
     pushValue("[]");
   else {
-    bool isArrayMultiLine = isMultineArray(value);
+    bool isArrayMultiLine = isMultilineArray(value);
     if (isArrayMultiLine) {
       writeWithIndent("[");
       indent();
@@ -743,7 +743,7 @@ void StyledStreamWriter::writeArrayValue(const Value& value) {
   }
 }
 
-bool StyledStreamWriter::isMultineArray(const Value& value) {
+bool StyledStreamWriter::isMultilineArray(const Value& value) {
   ArrayIndex const size = value.size();
   bool isMultiLine = size * 3 >= rightMargin_;
   childValues_.clear();
@@ -860,7 +860,7 @@ struct BuiltStyledStreamWriter : public StreamWriter
 private:
   void writeValue(Value const& value);
   void writeArrayValue(Value const& value);
-  bool isMultineArray(Value const& value);
+  bool isMultilineArray(Value const& value);
   void pushValue(JSONCPP_STRING const& value);
   void writeIndent();
   void writeWithIndent(JSONCPP_STRING const& value);
@@ -984,7 +984,7 @@ void BuiltStyledStreamWriter::writeArrayValue(Value const& value) {
   if (size == 0)
     pushValue("[]");
   else {
-    bool isMultiLine = (cs_ == CommentStyle::All) || isMultineArray(value);
+    bool isMultiLine = (cs_ == CommentStyle::All) || isMultilineArray(value);
     if (isMultiLine) {
       writeWithIndent("[");
       indent();
@@ -1026,7 +1026,7 @@ void BuiltStyledStreamWriter::writeArrayValue(Value const& value) {
   }
 }
 
-bool BuiltStyledStreamWriter::isMultineArray(Value const& value) {
+bool BuiltStyledStreamWriter::isMultilineArray(Value const& value) {
   ArrayIndex const size = value.size();
   bool isMultiLine = size * 3 >= rightMargin_;
   childValues_.clear();
diff --git a/src/test_lib_json/jsontest.cpp b/src/test_lib_json/jsontest.cpp
index f8c076771..94a0672b8 100644
--- a/src/test_lib_json/jsontest.cpp
+++ b/src/test_lib_json/jsontest.cpp
@@ -398,7 +398,7 @@ void Runner::preventDialogOnCrash() {
   _CrtSetReportHook(&msvcrtSilentReportHook);
 #endif // if defined(_MSC_VER)
 
-// @todo investiguate this handler (for buffer overflow)
+// @todo investigate this handler (for buffer overflow)
 // _set_security_error_handler
 
 #if defined(_WIN32)
diff --git a/src/test_lib_json/main.cpp b/src/test_lib_json/main.cpp
index 3bbe89663..4e5aad166 100644
--- a/src/test_lib_json/main.cpp
+++ b/src/test_lib_json/main.cpp
@@ -2040,7 +2040,7 @@ JSONTEST_FIXTURE(CharReaderFailIfExtraTest, issue164) {
   }
 }
 JSONTEST_FIXTURE(CharReaderFailIfExtraTest, issue107) {
-  // This is interpretted as an int value followed by a colon.
+  // This is interpreted as an int value followed by a colon.
   Json::CharReaderBuilder b;
   Json::Value root;
   char const doc[] =