carry on vs refrain

carry on

verb
  • To act or behave; especially to misbehave so as to attract attention. 

  • To continue or proceed as before. 

  • To talk continuously about, often in an excessively excited way 

  • To continue, maintain or pursue (:an activity or enterprise) 

  • To have an illicit sexual or flirtatious relationship. 

  • To take baggage or luggage onto an airplane, rather than check it. 

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 carry on and refrain occurred in a corpus of books? (source: Google Ngram Viewer )