forbear vs oppugn

forbear

verb
  • To refuse; to decline; to withsay; to unheed. 

  • To control oneself when provoked. 

  • To keep away from; to avoid; to abstain from. 

  • To refrain from proceeding; to pause; to delay. 

oppugn

verb
  • To contradict or controvert; to oppose; to challenge or question the truth or validity of a given statement. 

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