forgo vs forlet

forgo

verb
  • To do without, to abandon, to renounce. 

  • To let pass, to leave alone, to let go. 

  • To refrain from, to abstain from, to pass up, to withgo. 

forlet

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

  • To forget. 

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