jenny vs mare

jenny

noun
  • A female creature of certain kinds, such as wren and donkey. 

  • A device for spinning thread from fiber onto multiple spindles (also called spinning jenny). 

  • A catmill. 

  • In billiards and similar games, a powerful follow shot with plenty of topspin. 

verb
  • To wind finished lace onto cards ready for sale. 

mare

noun
  • An adult female horse. 

  • On Saturn's moon Titan, any of several lakes which are large expanses of what is thought to be liquid hydrocarbons. 

  • A nightmare; a frustrating or terrible experience. 

  • A foolish woman. 

  • A large, dark plain, which may have the appearance of a sea. 

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