comment vs vow

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. 

vow

noun
  • A declaration or assertion. 

  • A solemn promise to perform some act, or behave in a specified manner, especially a promise to live and act in accordance with the rules of a religious order. 

verb
  • To declare publicly that one has made a vow, usually to show one's determination or to announce an act of retaliation. 

  • To make a vow; to promise. 

  • To make a vow regarding (something). 

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