birdcall vs call forth

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. 

call forth

verb
  • To induce, inspire. 

  • To summon, to call to speak. 

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