approve vs go for

approve

verb
  • To consider worthy (to); to be pleased (with); to accept. 

  • To officially sanction; to ratify; to confirm; to set as satisfactory. 

  • To make profit of; to convert to one's own profit — said especially of waste or common land appropriated by the lord of the manor. 

  • To regard as good; to commend; to be pleased with; to think well of. 

go for

verb
  • To favor, accept; to have a preference for. 

  • To try for, to attempt to reach. 

  • To attack. 

  • To develop a strong interest in, especially in a sudden manner; to be infatuated with. 

  • To apply equally to. 

  • To undertake (an action); to choose an option. 

  • To suffice to be used for; to serve as. 

  • Used other than figuratively or idiomatically: see go, for. 

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