baby boy vs hinny

baby boy

noun
  • A term of endearment for a man. 

  • A very young male human being, from birth to a couple of years old. 

  • A man who is immature or infantile. 

hinny

noun
  • A term of endearment usually for women. 

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

verb
  • To whinny 

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