yellow rocket vs Sisymbrium barbarea

yellow rocket and Sisymbrium barbarea both are nouns.

Word	Noun	Adjective	Verb	Adverb
yellow rocket	Yes	No	No	No
Sisymbrium barbarea	Yes	No	No	No

As nouns, yellow rocket and Sisymbrium barbarea are synonyms defined as:

yellow rocket and Sisymbrium barbarea: noxious cress with yellow flowers; sometimes placed in genus Sisymbrium

Other synonyms of yellow rocket include Barbarea vulgaris, rockcress, rocket cress.

yellow rocket (noun)	Sisymbrium barbarea (noun)
noxious cress with yellow flowers; sometimes placed in genus Sisymbrium	noxious cress with yellow flowers; sometimes placed in genus Sisymbrium