butter someone's biscuit vs tempt

butter someone's biscuit

verb
  • To interest or appeal to someone; to make someone happy. 

tempt

verb
  • To attract; to allure. 

  • To provoke someone to do wrong, especially by promising a reward; to entice. 

  • To provoke something; to court. 

How often have the words butter someone's biscuit and tempt occurred in a corpus of books? (source: Google Ngram Viewer )