pronghorn vs. antelope

noun

plural

pronghorns 
,

plural

pronghorn .
  1. a fleet, antelopelike ruminant, Antilocapra americana, of the plains of western North America: now greatly reduced in number and endangered in some areas.

noun

plural

antelopes 
,

plural

antelope .
  1. any of several ruminants of the family Bovidae, chiefly of Africa and Asia, having permanent, hollow, unbranched horns.

  2. leather made from the hide of such an animal.

  3. pronghorn.