inveigle vs melt someone's butter

inveigle

verb
  • To convert, convince, or win over with flattery or wiles. 

  • To obtain through guile or cunning. 

melt someone's butter

verb
  • To appeal to someone's fancy. 

  • To turn someone on; cause feelings of arousal. 

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