assent vs combat

assent

noun
  • agreement; act of agreeing 

verb
  • To agree to a proposal. 

combat

noun
  • a struggle for victory 

  • A battle, a fight (often one in which weapons are used). 

verb
  • To fight; to struggle against. 

  • To fight (with); to struggle for victory (against). 

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