coo vs hoot

coo

verb
  • To make a soft murmuring sound, as a pigeon. 

  • To speak in an admiring fashion, to be enthusiastic about. 

noun
  • The murmuring sound made by a dove or pigeon. 

  • An expression of pleasure made by a person. 

adj
  • Cool. 

intj
  • An expression of approval, fright, surprise, etc. 

hoot

verb
  • To make the cry of an owl, a hoo. 

  • To sound the horn of a vehicle 

  • To cry out or shout in contempt. 

  • To assail with contemptuous cries or shouts; to follow with derisive shouts. 

noun
  • A fun event or person. (See hootenanny) 

  • A derisive cry or shout. 

  • The cry of an owl. 

  • A small particle; a whit or jot. 

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