caress vs set one’s cap for

caress

noun
  • An act of endearment; any act or expression of affection; an embracing, or touching, with tenderness. 

  • A gentle stroking or rubbing. 

verb
  • To touch or kiss lovingly; to fondle. 

  • To affect as if with a caress. 

set one’s cap for

How often have the words caress and set one’s cap for occurred in a corpus of books? (source: Google Ngram Viewer )