fanweed vs Thlaspi arvense

fanweed and Thlaspi arvense both are nouns.

Word	Noun	Adjective	Verb	Adverb
fanweed	Yes	No	No	No
Thlaspi arvense	Yes	No	No	No

As nouns, fanweed and Thlaspi arvense are synonyms defined as:

fanweed and Thlaspi arvense: foetid Eurasian weed having round flat pods; naturalized throughout North America

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

fanweed (noun)	Thlaspi arvense (noun)
foetid Eurasian weed having round flat pods; naturalized throughout North America	foetid Eurasian weed having round flat pods; naturalized throughout North America