ankle-biter vs diddy

ankle-biter

noun
  • A relatively minor, irritating problem or task. 

  • A small child. 

  • A small dog, especially a poorly-behaved one. 

diddy

noun
  • A fool, a tit. 

  • A woman's breast. 

  • A gypsy. 

adj
  • very small, tiny 

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