mangold vs Beta vulgaris

mangold and Beta vulgaris both are nouns.

Word	Noun	Adjective	Verb	Adverb
mangold	Yes	No	No	No
Beta vulgaris	Yes	No	No	No

As nouns, Beta vulgaris is a hypernym of mangold; that is, Beta vulgaris is a word with a broader meaning than mangold:

mangold: beet with a large yellowish root; grown chiefly as cattle feed
Beta vulgaris: biennial Eurasian plant usually having a swollen edible root; widely cultivated as a food crop

Other hypernyms of mangold include beet, common beet.

mangold (noun)	Beta vulgaris (noun)
beet with a large yellowish root; grown chiefly as cattle feed	biennial Eurasian plant usually having a swollen edible root; widely cultivated as a food crop