wapiti vs deer

wapiti and deer both are nouns.

Word	Noun	Adjective	Verb	Adverb
wapiti	Yes	No	No	No
deer	Yes	No	No	No

As nouns, deer is a hypernym of wapiti; that is, deer is a word with a broader meaning than wapiti:

wapiti: large North American deer with large much-branched antlers in the male
deer: distinguished from Bovidae by the male's having solid deciduous antlers

Other hypernyms of wapiti include cervid.

As nouns, deer is a hypernym of wapiti; that is, deer is a word with a broader meaning than wapiti:

wapiti: common deer of temperate Europe and Asia
deer: distinguished from Bovidae by the male's having solid deciduous antlers

Other hypernyms of wapiti include cervid.

wapiti (noun)	deer (noun)
large North American deer with large much-branched antlers in the male	distinguished from Bovidae by the male's having solid deciduous antlers
common deer of temperate Europe and Asia