diff --git a/src/core/ActionRegister.cpp b/src/core/ActionRegister.cpp
index aff321fd47f330409e9a21509ace32ec6215c8b0..b68527d48e3463b69bdafec8abf51cb362df2fc8 100644
--- a/src/core/ActionRegister.cpp
+++ b/src/core/ActionRegister.cpp
@@ -85,11 +85,13 @@ std::unique_ptr<Action> ActionRegister::create(const ActionOptions&ao) {
   return action;
 }
 
-bool ActionRegister::printManual( const std::string& action, const bool& vimout ) {
+bool ActionRegister::printManual( const std::string& action, const bool& vimout, const bool& spellout ) {
   if ( check(action) ) {
     Keywords keys; mk[action](keys);
     if( vimout ) {
       printf("%s",action.c_str()); keys.print_vim(); printf("\n");
+    } else if( spellout ) {
+      keys.print_spelling();
     } else {
       keys.print_html();
     }
diff --git a/src/core/ActionRegister.h b/src/core/ActionRegister.h
index 475d73e25b863c52a825f4cc8f76d3c90ae1b72a..8c508bfeb585133cfbe756a0cc036291659feedc 100644
--- a/src/core/ActionRegister.h
+++ b/src/core/ActionRegister.h
@@ -68,7 +68,7 @@ public:
 /// \param ao object containing information for initialization, such as the full input line, a pointer to PlumedMain, etc
   std::unique_ptr<Action> create(const ActionOptions&ao);
 /// Print out the keywords for an action in html/vim ready for input into the manual
-  bool printManual(const std::string& action, const bool& vimout);
+  bool printManual(const std::string& action, const bool& vimout, const bool& spellout);
 /// Print out a template command for an action
   bool printTemplate(const std::string& action, bool include_optional);
   void remove(creator_pointer);
diff --git a/src/core/CLToolRegister.cpp b/src/core/CLToolRegister.cpp
index 4a7f740dd5d2bb2ee6eaa7dd233a3531903b70f5..2bc3f3b10819220ed0c76171c178c460ab6b3eae 100644
--- a/src/core/CLToolRegister.cpp
+++ b/src/core/CLToolRegister.cpp
@@ -92,8 +92,11 @@ std::ostream & operator<<(std::ostream &log,const CLToolRegister&ar) {
   return log;
 }
 
-bool CLToolRegister::printManual( const std::string& cltool ) {
-  if ( check(cltool) ) {
+bool CLToolRegister::printManual( const std::string& cltool, const bool& spelling ) {
+  if( spelling && check(cltool) ) {
+    mk[cltool].print_spelling();
+    return true;
+  } else if ( check(cltool) ) {
     mk[cltool].print_html();
     return true;
   } else {
diff --git a/src/core/CLToolRegister.h b/src/core/CLToolRegister.h
index d03f0338ccb7ed708578062ffe770c5fb9b0fa5a..4e3197a53f6915fccaa21a192b71041941302c1d 100644
--- a/src/core/CLToolRegister.h
+++ b/src/core/CLToolRegister.h
@@ -65,7 +65,7 @@ public:
 /// Returns a list of the allowed CLTools
   std::vector<std::string> list()const;
 /// Print out the instructions for using the tool in html ready for input into the manual
-  bool printManual(const std::string& cltool);
+  bool printManual(const std::string& cltool,const bool& spelling);
 /// Return all the keys of this cltool
   std::vector<std::string> getKeys(const std::string& cltool)const;
 };
diff --git a/src/tools/Keywords.cpp b/src/tools/Keywords.cpp
index 26786380987fc966359a72290aa4d640b85d93f8..ac8b5cdc556a5f7dc05f5a88be81f217622e3f4a 100644
--- a/src/tools/Keywords.cpp
+++ b/src/tools/Keywords.cpp
@@ -447,6 +447,11 @@ void Keywords::print_html() const {
   std::cout<<"</table>\n\n";
 }
 
+void Keywords::print_spelling() const {
+  for(unsigned i=0; i<keys.size(); ++i) printf("%s\n", keys[i].c_str() );
+  for(unsigned i=0; i<cnames.size(); ++i) printf("%s\n",cnames[i].c_str() );
+}
+
 void Keywords::print( FILE* out ) const {
   unsigned nkeys=0;
   for(unsigned i=0; i<keys.size(); ++i) {
diff --git a/src/tools/Keywords.h b/src/tools/Keywords.h
index a94cfe6c4f4cd3be856fe2c6bc8f3f753402c353..5af9caa184efafe2de4e6cc4b915237dbe99fb52 100644
--- a/src/tools/Keywords.h
+++ b/src/tools/Keywords.h
@@ -113,6 +113,8 @@ public:
   void print( Log& log ) const ;
 /// Print the documentation to a file (use by PLUMED::CLTool::readCommandLineArgs)
   void print( FILE* out ) const ;
+/// Print a file containing the list of keywords for a particular action (used for spell checking)
+  void print_spelling() const ;
 /// Reserve a keyword
   void reserve( const std::string & t, const std::string & k, const std::string & d );
 /// Reserve a flag
diff --git a/user-doc/.gitignore b/user-doc/.gitignore
index a187357cd798e4938fa2ac28ba583e589c8a6725..139073b02272c2415c636c5cdc237623e24a8bf1 100644
--- a/user-doc/.gitignore
+++ b/user-doc/.gitignore
@@ -10,4 +10,5 @@
 /*doc*
 /manual.pdf
 /regtests
+/spelling