refrain vs withhold

refrain

verb
  • To stop oneself from some action or interference; to abstain. 

  • To abstain from (food or drink). 

noun
  • The chorus or burden of a song repeated at the end of each verse or stanza. 

  • A much repeated comment, complaint, or saying. 

withhold

verb
  • To keep (information, assent etc) to oneself rather than revealing it. 

  • To stay back. 

  • To keep (a physical object that one has obtained) to oneself rather than giving it back to its owner. 

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