debuff vs sully

debuff

verb
  • To make a character or unit weaker. 

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

sully

verb
  • To corrupt or damage. 

  • To soil or stain; to dirty. 

  • To become soiled or tarnished. 

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