French weed vs mithridate mustard

French weed and mithridate mustard both are nouns.

Word	Noun	Adjective	Verb	Adverb
French weed	Yes	No	No	No
mithridate mustard	Yes	No	No	No

As nouns, French weed and mithridate mustard are synonyms defined as:

French weed and mithridate mustard: foetid Eurasian weed having round flat pods; naturalized throughout North America

Other synonyms of French weed include fanweed, field pennycress, penny grass, stinkweed, Thlaspi arvense.

French weed (noun)	mithridate mustard (noun)
foetid Eurasian weed having round flat pods; naturalized throughout North America	foetid Eurasian weed having round flat pods; naturalized throughout North America