back down vs resist

back down

verb
  • To withdraw from a commitment or position. 

  • To take a less aggressive position in a conflict than one previously has or has planned to. 

resist

verb
  • To oppose; to refuse to accept. 

  • To withstand the actions of. 

  • To attempt to counter the actions or effects of. 

noun
  • A protective coating or covering. 

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