caprid vs hircinous

caprid

adj
  • Of or pertaining to the subfamily Caprinae of ruminants, of which the goat (genus Capra) is the type. 

noun
  • Any member of the subfamily Caprinae. 

hircinous

adj
  • Of, or pertaining to goats; hircine 

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