John's cabbage vs Virginia waterleaf

John's cabbage and Virginia waterleaf both are nouns.

Word	Noun	Adjective	Verb	Adverb
John's cabbage	Yes	No	No	No
Virginia waterleaf	Yes	No	No	No

As nouns, John's cabbage and Virginia waterleaf are synonyms defined as:

John's cabbage and Virginia waterleaf: showy perennial herb with white flowers; leaves sometimes used as edible greens in southeastern United States

Other synonyms of John's cabbage include Hydrophyllum virginianum, Indian salad, Shawnee salad, shawny.

John's cabbage (noun)	Virginia waterleaf (noun)
showy perennial herb with white flowers; leaves sometimes used as edible greens in southeastern United States	showy perennial herb with white flowers; leaves sometimes used as edible greens in southeastern United States