Chenopodium album vs lamb's-quarters

Chenopodium album and lamb's-quarters both are nouns.

Word	Noun	Adjective	Verb	Adverb
Chenopodium album	Yes	No	No	No
lamb's-quarters	Yes	No	No	No

As nouns, Chenopodium album and lamb's-quarters are synonyms defined as:

Chenopodium album and lamb's-quarters: common weedy European plant introduced into North America; often used as a potherb

Other synonyms of Chenopodium album include pigweed, wild spinach.

Chenopodium album (noun)	lamb's-quarters (noun)
common weedy European plant introduced into North America; often used as a potherb	common weedy European plant introduced into North America; often used as a potherb