crossbred vs purebred

crossbred

noun
  • Any organism produced by breeding from two breeds, varieties, or species. 

adj
  • Produced by breeding from two breeds, varieties or species. 

purebred

adj
  • Having genuine parents of the same breed, usually of an animal. 

noun
  • An animal which has genuine parents of the same breed. 

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