wild celery vs eelgrass

wild celery and eelgrass both are nouns.

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

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

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

Other synonyms of wild celery include tape grass, Vallisneria spiralis.

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