dyer's mignonette vs dyer's rocket

dyer's mignonette and dyer's rocket both are nouns.

Word	Noun	Adjective	Verb	Adverb
dyer's mignonette	Yes	No	No	No
dyer's rocket	Yes	No	No	No

As nouns, dyer's mignonette and dyer's rocket are synonyms defined as:

dyer's mignonette and dyer's rocket: European mignonette cultivated as a source of yellow dye; naturalized in North America

Other synonyms of dyer's mignonette include Reseda luteola, weld.

dyer's mignonette (noun)	dyer's rocket (noun)
European mignonette cultivated as a source of yellow dye; naturalized in North America	European mignonette cultivated as a source of yellow dye; naturalized in North America