birdcall vs yowl

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. 

yowl

noun
  • A prolonged, loud cry, like the sound of an animal; a wail; a howl. 

verb
  • Utter a yowl. 

  • Express by yowling; utter with a yowl. 

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