hit the spot vs mollify

hit the spot

verb
  • To be particularly pleasing or appropriate; to be just right. 

mollify

verb
  • To appease (anger), pacify, gain the good will of. 

  • To ease a burden, particularly worry; make less painful; to comfort. 

  • To soften; to make tender 

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