Swiss chard vs beet

Swiss chard and beet both are nouns.

Word	Noun	Adjective	Verb	Adverb
Swiss chard	Yes	No	No	No
beet	Yes	No	No	No

As nouns, beet is a hypernym of Swiss chard; that is, beet is a word with a broader meaning than Swiss chard:

Swiss chard: beet lacking swollen root; grown as a vegetable for its edible leaves and stalks
beet: biennial Eurasian plant usually having a swollen edible root; widely cultivated as a food crop

Other hypernyms of Swiss chard include Beta vulgaris, common beet.

Swiss chard (noun)	beet (noun)
long succulent whitish stalks with large green leaves	round red root vegetable
beet lacking swollen root; grown as a vegetable for its edible leaves and stalks	biennial Eurasian plant usually having a swollen edible root; widely cultivated as a food crop