birdcall vs whoop

birdcall

noun
  • An imitation of this cry. 

  • Any vocalisation of a bird. 

  • A device used to imitate this cry, so as to lure and catch birds. 

verb
  • To imitate the cry of a bird. 

whoop

noun
  • A loud, eager cry, usually of joy. 

  • A bump on a racetrack. 

  • A gasp, characteristic of whooping cough. 

verb
  • To make a whoop. 

  • To shout, to yell. 

  • To cough or breathe with a sonorous inspiration, as in whooping cough. 

  • To beat, to strike. 

  • To defeat thoroughly. 

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