dogie vs yearling

dogie

noun
  • A motherless calf in a range herd of cattle; a calf separated from its cow. 

yearling

noun
  • An animal that is between one and two years old; one that is in its second year (but not yet two full years old). 

  • A racehorse that is considered to be one year old until a subsequent January 1st. 

  • A sophomore at West Point military academy. 

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