caprid vs caprine

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. 

caprine

adj
  • Of or relating to goats. 

  • Goatlike. 

noun
  • Any of certain caprids (including sheep) that are regarded as being similar to the goat; any member of the tribe Caprini. 

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