Brassica rapa vs white turnip

Brassica rapa and white turnip both are nouns.

Word	Noun	Adjective	Verb	Adverb
Brassica rapa	Yes	No	No	No
white turnip	Yes	No	No	No

As nouns, Brassica rapa and white turnip are synonyms defined as:

Brassica rapa and white turnip: widely cultivated plant having a large fleshy edible white or yellow root

Other synonyms of Brassica rapa include turnip.

Brassica rapa (noun)	white turnip (noun)
widely cultivated plant having a large fleshy edible white or yellow root	white root of a turnip plant
	widely cultivated plant having a large fleshy edible white or yellow root