crossbred vs incross

crossbred

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

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

incross

noun
  • An organism formed by close inbreeding. 

verb
  • To breed incrosses. 

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