bombard vs submit

bombard

verb
  • To attack something or someone by directing objects at them. 

  • To direct at a substance an intense stream of high-energy particles, usually sub-atomic or made of at most a few atoms. 

  • To continuously attack something with bombs, artillery shells or other missiles or projectiles. 

  • To continuously send or direct (at someone) 

noun
  • A bombardment. 

  • A bombardon. 

  • a medieval primitive cannon, used chiefly in sieges for throwing heavy stone balls. 

submit

verb
  • To win a fight against (an opponent) by submission. 

  • To yield (something) to another, as when defeated. 

  • To enter or put forward for approval, consideration, marking etc. 

  • To yield or give way to another. 

  • To subject; to put through a process. 

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