submit vs usurp

submit

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

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

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

  • To yield or give way to another. 

  • To subject; to put through a process. 

usurp

verb
  • To take the place rightfully belonging to someone or something else. 

  • To seize power from another, usually by illegitimate means. 

  • To use and assume the coat of arms of another person. 

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