colt vs mare

colt

noun
  • A young male horse. 

  • A short piece of rope once used by petty officers as an instrument of punishment. 

  • A young camel or donkey. 

  • A youthful or inexperienced person; a novice. 

  • A young crane (bird). 

  • A professional cricketer during his first season. 

verb
  • To frisk or frolic like a colt; to act licentiously or wantonly. 

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 colt and mare occurred in a corpus of books? (source: Google Ngram Viewer )