debuff vs nerf

debuff

noun
  • An effect that makes a game character weaker; a negative status effect. 

verb
  • To make a character or unit weaker. 

nerf

noun
  • The deterioration, weakening or worsening of a character, a weapon, a spell, etc. 

verb
  • To change a mechanic, an ability or a character in a video game in order to make a previously dominant strategy less viable or less effective. 

  • To arbitrarily limit or reduce the capability of. 

  • To bump lightly, whether accidentally or purposefully. 

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