Brassica perviridis vs tendergreen

Brassica perviridis and tendergreen both are nouns.

Word	Noun	Adjective	Verb	Adverb
Brassica perviridis	Yes	No	No	No
tendergreen	Yes	No	No	No

As nouns, Brassica perviridis and tendergreen are synonyms defined as:

Brassica perviridis and tendergreen: Asiatic plant cultivated for its swollen root crown and edible foliage

Other synonyms of Brassica perviridis include Brassica rapa perviridis, spinach mustard.

Brassica perviridis (noun)	tendergreen (noun)
Asiatic plant cultivated for its swollen root crown and edible foliage	Asiatic plant cultivated for its swollen root crown and edible foliage