caress vs hypocoristic

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. 

hypocoristic

noun
  • A nickname, especially one indicating intimacy and formed through a shortening of the original name. 

adj
  • Relating to a nickname, usually indicating intimacy with the person. 

  • Relating to baby talk. 

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