hooter vs owlet

hooter

noun
  • An owl. 

  • A woman's breast. 

  • A siren or steam whistle, especially one in a factory and used to indicate the beginning or the end of a working day or shift. 

  • The horn in a motor vehicle. 

  • A penis. 

  • A person who hoots. 

  • A nose, especially a large one. 

  • A large cannabis cigarette. 

owlet

noun
  • A young owl; owling. 

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

  • An owlet moth. 

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