field pennycress vs Thlaspi arvense

field pennycress and Thlaspi arvense both are nouns.

Word	Noun	Adjective	Verb	Adverb
field pennycress	Yes	No	No	No
Thlaspi arvense	Yes	No	No	No

As nouns, field pennycress and Thlaspi arvense are synonyms defined as:

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

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

field pennycress (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