swamp rabbit vs swamp hare

swamp rabbit and swamp hare both are nouns.

Word	Noun	Adjective	Verb	Adverb
swamp rabbit	Yes	No	No	No
swamp hare	Yes	No	No	No

As nouns, swamp rabbit and swamp hare are synonyms defined as:

swamp rabbit and swamp hare: a wood rabbit of southeastern United States swamps and lowlands

Other synonyms of swamp rabbit include canecutter, Sylvilagus aquaticus.

swamp rabbit (noun)	swamp hare (noun)
a wood rabbit of southeastern United States swamps and lowlands	a wood rabbit of southeastern United States swamps and lowlands
a wood rabbit of marshy coastal areas from North Carolina to Florida