hinny vs mopsy

hinny

verb

  • To whinny 

noun

  • A term of endearment usually for women. 

  • The hybrid offspring of a stallion (male horse) and a she-ass (female donkey). 

mopsy

noun

  • A moppet. 

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