cultivated cabbage vs Brassica oleracea

cultivated cabbage and Brassica oleracea both are nouns.

Word	Noun	Adjective	Verb	Adverb
cultivated cabbage	Yes	No	No	No
Brassica oleracea	Yes	No	No	No

As nouns, cultivated cabbage and Brassica oleracea are synonyms defined as:

cultivated cabbage and Brassica oleracea: any of various cultivars of the genus Brassica oleracea grown for their edible leaves or flowers

Other synonyms of cultivated cabbage include cabbage.

cultivated cabbage (noun)	Brassica oleracea (noun)
any of various cultivars of the genus Brassica oleracea grown for their edible leaves or flowers	wild original of cultivated cabbages; common in western coastal Europe
	any of various cultivars of the genus Brassica oleracea grown for their edible leaves or flowers