eelgrass vs wild celery

eelgrass and wild celery both are nouns.

Word	Noun	Adjective	Verb	Adverb
eelgrass	Yes	No	No	No
wild celery	Yes	No	No	No

As nouns, eelgrass and wild celery are synonyms defined as:

eelgrass and wild celery: submerged aquatic plant with ribbonlike leaves; Old World and Australia

Other synonyms of eelgrass include tape grass, Vallisneria spiralis.

eelgrass (noun)	wild celery (noun)
submerged marine plant with very long narrow leaves found in abundance along North Atlantic coasts	submerged aquatic plant with ribbonlike leaves; Old World and Australia
submerged aquatic plant with ribbonlike leaves; Old World and Australia	herb of Europe and temperate Asia