entertain vs tickle someone's fancy

entertain

verb
  • To amuse (someone); to engage the attention of agreeably. 

  • To have someone over at one's home for a party or visit. 

  • To receive and take into consideration; to have a thought in mind. 

tickle someone's fancy

verb
  • To amuse, entertain, or appeal to someone; to stimulate someone's imagination in a favorable manner. 

How often have the words entertain and tickle someone's fancy occurred in a corpus of books? (source: Google Ngram Viewer )