Chenopodium rubrum vs French spinach

Chenopodium rubrum and French spinach both are nouns.

Word	Noun	Adjective	Verb	Adverb
Chenopodium rubrum	Yes	No	No	No
French spinach	Yes	No	No	No

As nouns, Chenopodium rubrum and French spinach are synonyms defined as:

Chenopodium rubrum and French spinach: common Eurasian weed; naturalized in United States

Other synonyms of Chenopodium rubrum include red goosefoot.

Chenopodium rubrum (noun)	French spinach (noun)
common Eurasian weed; naturalized in United States	common Eurasian weed; naturalized in United States