settle on vs take it or leave it

settle on

verb
  • To make a decision or selection; to decide, arrange, or agree on. 

  • Used other than figuratively or idiomatically: see settle, on. 

  • To confer (an annuity, etc) upon by permanent grant; to assure to. (Compare settle (“formally, legally secure”).) 

take it or leave it

phrase
  • Denoting that a situation has to be accepted without change, or rejected outright. 

  • Denoting that one does not care about or is unexcited for something. 

How often have the words settle on and take it or leave it occurred in a corpus of books? (source: Google Ngram Viewer )