forget vs reinforce

forget

verb
  • To unintentionally not do, neglect. 

  • To lose remembrance of. 

  • To unintentionally leave something behind. 

  • To cease remembering. 

  • Euphemism for fuck, screw (a mild oath). 

reinforce

verb
  • To emphasize or review. 

  • To strengthen, especially by addition or augmentation. 

  • To encourage (a behavior or idea) through repeated stimulus. 

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