convey vs refrain

convey

verb
  • To move (something) from one place to another. 

  • To communicate; to make known; to portray. 

  • To transfer legal rights (to). 

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. 

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