kitten vs puss

kitten

noun
  • A young cat, especially before sexual maturity (reached at about seven months). 

  • A moth of the genus Furcula. 

  • A young rabbit, rat, hedgehog, squirrel, fox, beaver, badger, etc. 

  • A term of endearment, especially for a woman. 

verb
  • To give birth to kittens. 

puss

noun
  • A cat. 

  • The face. 

  • A coward; a wuss; someone who is unable to stand up for themself. 

  • The vulva (female genitalia). 

  • Sex with a woman. 

  • The mouth. 

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