birdcall vs yip

birdcall

verb
  • To imitate the cry of a bird. 

noun
  • Any vocalisation of a bird. 

  • An imitation of this cry. 

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

yip

verb
  • to bark with a sharp, high-pitched voice 

noun
  • a sharp, high-pitched bark 

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