debuff vs make matters worse

debuff

verb
  • To make a character or unit weaker. 

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

make matters worse

verb
  • To worsen an already difficult situation or unfavourable set of circumstances, typically by acting rashly, foolishly, or incompetently. 

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