birdcage vs hencoop

birdcage

noun
  • A cage to keep pet or zoological specimen birds in. 

  • A game of chance played with dice; chuck-a-luck. 

hencoop

noun
  • A coop where hens are kept.. 

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