diff --git a/lib/astutils.h b/lib/astutils.h
index cc2af6f02..4e5ece12d 100644
--- a/lib/astutils.h
+++ b/lib/astutils.h
@@ -73,10 +73,10 @@ bool isWithoutSideEffects(bool cpp, const Token* tok);
 bool isReturnScope(const Token *endToken);
 
 /** Is variable changed by function call?
- * In case the anser of the question is inconclusive, e.g. because the function declaration is not known
+ * In case the answer of the question is inconclusive, e.g. because the function declaration is not known
  * the return value is false and the output parameter inconclusive is set to true
  *
- * @param tok           token of varible in function call
+ * @param tok           token of variable in function call
  * @param settings      program settings
  * @param inconclusive pointer to output variable which indicates that the answer of the question is inconclusive
  */
diff --git a/lib/checkbool.h b/lib/checkbool.h
index 5ab03df5f..3c218ca4e 100644
--- a/lib/checkbool.h
+++ b/lib/checkbool.h
@@ -32,7 +32,7 @@ class Variable;
 /// @{
 
 
-/** @brief checks dealing with suspicous usage of boolean type (not for evaluating conditions) */
+/** @brief checks dealing with suspicious usage of boolean type (not for evaluating conditions) */
 
 class CPPCHECKLIB CheckBool : public Check {
 public:
diff --git a/lib/checkio.cpp b/lib/checkio.cpp
index fd83dfb1c..d22dd0ca2 100644
--- a/lib/checkio.cpp
+++ b/lib/checkio.cpp
@@ -521,7 +521,7 @@ void CheckIO::checkWrongPrintfScanfArguments()
                 if (!findFormat(1, tok->tokAt(2), &formatStringTok, &argListTok))
                     continue;
             } else if (Token::simpleMatch(tok, "swprintf (") && !Token::Match(tok->tokAt(2)->nextArgument(), "%str%")) {
-                // Find forth parameter and format string
+                // Find fourth parameter and format string
                 if (!findFormat(2, tok->tokAt(2), &formatStringTok, &argListTok))
                     continue;
             } else if (isWindows && Token::Match(tok, "sprintf_s|swprintf_s (")) {
diff --git a/lib/checkother.cpp b/lib/checkother.cpp
index f8ef4ab03..d36781ad8 100644
--- a/lib/checkother.cpp
+++ b/lib/checkother.cpp
@@ -1649,7 +1649,7 @@ void CheckOther::checkIncompleteStatement()
         else if (Token::Match(tok,"> %name% {") || Token::Match(tok, "[;{}] return {"))
             tok = tok->linkAt(2);
 
-        // C++11 initialize set in initalizer list : [,:] std::set<int>{1} [{,]
+        // C++11 initialize set in initializer list : [,:] std::set<int>{1} [{,]
         else if (Token::simpleMatch(tok,"> {") && tok->link())
             tok = tok->next()->link();
 
@@ -1774,7 +1774,7 @@ void CheckOther::nanInArithmeticExpressionError(const Token *tok)
 }
 
 //---------------------------------------------------------------------------
-// Creating instance of clases which are destroyed immediately
+// Creating instance of classes which are destroyed immediately
 //---------------------------------------------------------------------------
 void CheckOther::checkMisusedScopedObject()
 {
@@ -2104,7 +2104,7 @@ void CheckOther::checkComparisonFunctionIsAlwaysTrueOrFalse()
                 const unsigned int varidLeft = tok->tokAt(2)->varId();// get the left varid
                 const unsigned int varidRight = tok->tokAt(4)->varId();// get the right varid
                 // compare varids: if they are not zero but equal
-                // --> the comparison function is calles with the same variables
+                // --> the comparison function is called with the same variables
                 if (varidLeft == varidRight) {
                     const std::string& functionName = tok->str(); // store function name
                     const std::string& varNameLeft = tok->strAt(2); // get the left variable name
@@ -2290,7 +2290,7 @@ void CheckOther::redundantCopyError(const Token *tok,const std::string& varname)
                 "The const variable '"+varname+"' is assigned a copy of the data. You can avoid "
                 "the unnecessary data copying by converting '" + varname + "' to const reference.",
                 CWE398,
-                true); // since #5618 that check became inconlusive
+                true); // since #5618 that check became inconclusive
 }
 
 //---------------------------------------------------------------------------
@@ -2672,7 +2672,7 @@ void CheckOther::checkEvaluationOrder()
                     if (!tok3)
                         continue;
                     if (tok3->str() == "&" && !tok3->astOperand2())
-                        continue; // don't handle adress-of for now
+                        continue; // don't handle address-of for now
                     if (tok3->str() == "(" && Token::simpleMatch(tok3->previous(), "sizeof"))
                         continue; // don't care about sizeof usage
                     tokens.push(tok3->astOperand1());
diff --git a/lib/errorlogger.h b/lib/errorlogger.h
index 086ed06ca..2d76e8e7d 100644
--- a/lib/errorlogger.h
+++ b/lib/errorlogger.h
@@ -332,7 +332,7 @@ public:
     /**
      * Convert XML-sensitive characters into XML entities
      * @param str The input string containing XML-sensitive characters
-     * @return The ouput string containing XML entities
+     * @return The output string containing XML entities
      */
     static std::string toxml(const std::string &str);
 };
diff --git a/test/testother.cpp b/test/testother.cpp
index edb46f0e0..68a22f70c 100644
--- a/test/testother.cpp
+++ b/test/testother.cpp
@@ -118,7 +118,7 @@ private:
         TEST_CASE(clarifyStatement);
 
         TEST_CASE(duplicateBranch);
-        TEST_CASE(duplicateBranch1); // tests extracted by http://www.viva64.com/en/b/0149/ ( Comparison between PVS-Studio and cppcheck ): Errors detected in Quake 3: Arena by PVS-Studio: Fragement 2
+        TEST_CASE(duplicateBranch1); // tests extracted by http://www.viva64.com/en/b/0149/ ( Comparison between PVS-Studio and cppcheck ): Errors detected in Quake 3: Arena by PVS-Studio: Fragment 2
         TEST_CASE(duplicateBranch2); // empty macro
         TEST_CASE(duplicateExpression1);
         TEST_CASE(duplicateExpression2); // ticket #2730
@@ -3338,7 +3338,7 @@ private:
     void duplicateBranch1() {
 
         // tests inspired by http://www.viva64.com/en/b/0149/ ( Comparison between PVS-Studio and cppcheck )
-        // Errors detected in Quake 3: Arena by PVS-Studio: Fragement 2
+        // Errors detected in Quake 3: Arena by PVS-Studio: Fragment 2
         check("void f()\n"
               "{\n"
               "  if (front < 0)\n"