baby boy vs dearest

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. 

dearest

noun
  • A beloved person; a term of endearment. 

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