get the better of vs overwin

get the better of

verb
  • To overwhelm or overcome 

  • To gain an advantage over. 

  • To trick or con. 

overwin

verb
  • To overcome; gain one's point; exceed. 

noun
  • The win or winning of a game. 

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