Carya aquatica vs water hickory

Carya aquatica and water hickory both are nouns.

Word	Noun	Adjective	Verb	Adverb
Carya aquatica	Yes	No	No	No
water hickory	Yes	No	No	No

As nouns, Carya aquatica and water hickory are synonyms defined as:

Carya aquatica and water hickory: hickory of southern United States having many narrow leaflets and rather bitter nuts

Other synonyms of Carya aquatica include bitter pecan, water bitternut.

Carya aquatica (noun)	water hickory (noun)
hickory of southern United States having many narrow leaflets and rather bitter nuts	hickory of southern United States having many narrow leaflets and rather bitter nuts