tendergreen vs Brassica rapa perviridis

tendergreen and Brassica rapa perviridis both are nouns.

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

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

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

Other synonyms of tendergreen include Brassica perviridis, spinach mustard.

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