debuff vs throw back

debuff

verb
  • To make a character or unit weaker. 

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

throw back

verb
  • To hinder the development of something. 

  • Used other than figuratively or idiomatically: see throw, back. 

  • To revert to an earlier stage of development. 

  • To retort. 

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