diddy vs undersize

diddy

adj
  • very small, tiny 

noun
  • A woman's breast. 

  • A fool, a tit. 

  • A gypsy. 

undersize

adj
  • Smaller than normal, undersized. 

  • Smaller than appropriate, expected or sufficient. 

  • Small enough to fit through a screen. 

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