diddy vs elfin

diddy

adj
  • very small, tiny 

noun
  • A woman's breast. 

  • A fool, a tit. 

  • A gypsy. 

elfin

adj
  • Relating to or resembling an elf or elves, especially in its tiny size or features. 

noun
  • A little urchin or child. 

  • Any of the butterflies in the subgenus Incisalia of the North American lycaenid genus Callophrys. 

  • An elf; an inhabitant of fairy-land. 

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