chard plant vs spinach beet

chard plant and spinach beet both are nouns.

Word	Noun	Adjective	Verb	Adverb
chard plant	Yes	No	No	No
spinach beet	Yes	No	No	No

As nouns, chard plant and spinach beet are synonyms defined as:

chard plant and spinach beet: beet lacking swollen root; grown as a vegetable for its edible leaves and stalks

Other synonyms of chard plant include Beta vulgaris cicla, chard, leaf beet, Swiss chard.

chard plant (noun)	spinach beet (noun)
beet lacking swollen root; grown as a vegetable for its edible leaves and stalks	long succulent whitish stalks with large green leaves
	beet lacking swollen root; grown as a vegetable for its edible leaves and stalks