diddy vs little one

diddy

noun
  • A fool, a tit. 

  • A woman's breast. 

  • A gypsy. 

adj
  • very small, tiny 

little one

noun
  • A term of endearment, especially toward a child. 

  • A young child. 

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