frag vs overwin

frag

noun
  • A successful kill in a deathmatch game. 

  • A fragmentation grenade. 

verb
  • To hit with the explosion of a fragmentation grenade. 

  • To deliberately kill (one's superior officer) with a fragmentation grenade. 

  • I fragged him but he fell off the ledge afterwards. 

  • To kill. 

overwin

noun
  • The win or winning of a game. 

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

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