detract vs forlet

detract

verb
  • To take away; to withdraw or remove. 

  • To take credit or reputation from; to defame or decry. 

forlet

verb
  • To abandon; give up; leave; leave behind; forsake; desert; neglect. 

  • To forget. 

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