importune vs whore out

importune

verb
  • To approach to offer one's services as a prostitute, or otherwise make improper proposals. 

  • To bother, irritate, trouble. 

  • To harass with persistent requests. 

whore out

verb
  • To prostitute, take advantage of, exploit, show off; to hire out or provide to others like a whore. 

  • To pimp; to offer (one's sex partner) to others. 

  • To do something debasing for money. 

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