French weed vs stinkweed

French weed and stinkweed both are nouns.

Word	Noun	Adjective	Verb	Adverb
French weed	Yes	No	No	No
stinkweed	Yes	No	No	No

As nouns, French weed and stinkweed are synonyms defined as:

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

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

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