defeat vs overwin

defeat

verb
  • To overcome in battle or contest. 

  • To nullify 

  • To prevent (something) from being achieved. 

  • To reduce, to nothing, the strength of. 

noun
  • The act or instance of being defeated, of being overcome or vanquished; a loss. 

  • Frustration (by prevention of success), stymieing; (law) nullification. 

  • The act or instance of defeating, of overcoming, vanquishing. 

overwin

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

noun
  • The win or winning of a game. 

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