ankle-biter vs crumb snatcher

ankle-biter

noun
  • A small child. 

  • A relatively minor, irritating problem or task. 

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

crumb snatcher

noun
  • A young child. 

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