rockcress vs yellow rocket

rockcress and yellow rocket both are nouns.

Word	Noun	Adjective	Verb	Adverb
rockcress	Yes	No	No	No
yellow rocket	Yes	No	No	No

As nouns, rockcress and yellow rocket are synonyms defined as:

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

Other synonyms of rockcress include Barbarea vulgaris, rocket cress, Sisymbrium barbarea.

rockcress (noun)	yellow rocket (noun)
any of several rock-loving cresses of the genus Arabis	noxious cress with yellow flowers; sometimes placed in genus Sisymbrium
noxious cress with yellow flowers; sometimes placed in genus Sisymbrium