lamb's-quarters vs Chenopodium album

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

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

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

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

Other synonyms of lamb's-quarters include pigweed, wild spinach.

lamb's-quarters (noun)	Chenopodium album (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