comment vs reply

comment

noun
  • A spoken or written remark. 

  • A remark embedded in source code in such a way that it will be ignored by the compiler or interpreter, typically to help people to understand the code. 

  • The part of a sentence that provides new information regarding the current theme. 

  • The act of commenting. 

verb
  • To make remarks or notes. 

  • To insert comments into (source code). 

  • To comment out (code); to disable by converting into a comment. 

  • To remark. 

reply

noun
  • A written or spoken response; part of a conversation. 

  • Something given in reply. 

  • A counterattack. 

  • A document written by a party specifically replying to a responsive declaration and in some cases an answer. 

  • The answer of a figure. 

verb
  • To give a written or spoken response, especially to a question, request, accusation or criticism; to answer. 

  • To act or gesture in response. 

  • To repeat something back; to echo. 

How often have the words comment and reply occurred in a corpus of books? (source: Google Ngram Viewer )