booby vs owlet

booby

noun
  • Any of various large tropical seabirds from the genera Sula and Papasula in the gannet family Sulidae, traditionally considered to be stupid. 

  • A woman’s breast. 

  • A stupid person. 

  • In the game of croquet, a ball that has not passed through the first wicket. 

adj
  • Displaying breasts prominently. 

  • Having large breasts. 

verb
  • To behave stupidly; to act like a booby. 

  • To install a booby trap on or at (something); to attack (someone) with a booby trap. 

owlet

noun
  • One of a species of small owls, such as Athene noctua. 

  • A young owl; owling. 

  • An owlet moth. 

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