antelope vs wapiti

antelope

noun
  • Any of several African mammals of the family Bovidae distinguished by hollow horns, which, unlike deer, they do not shed. 

  • The pronghorn, Antilocapra americana. 

wapiti

noun
  • The American elk (Cervus canadensis). It was formerly considered to be in the same species as the European red deer, which it somewhat exceeds in size. 

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