cervid vs deer

cervid and deer both are nouns.

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

As nouns, cervid and deer are synonyms defined as:

cervid and deer: distinguished from Bovidae by the male's having solid deciduous antlers

cervid (noun)	deer (noun)
distinguished from Bovidae by the male's having solid deciduous antlers	distinguished from Bovidae by the male's having solid deciduous antlers