gai choi vs indian mustard

gai choi and indian mustard both are nouns.

Word	Noun	Adjective	Verb	Adverb
gai choi	Yes	No	No	No
indian mustard	Yes	No	No	No

As nouns, gai choi and indian mustard are synonyms defined as:

Other synonyms of gai choi include Brassica juncea, chinese mustard, leaf mustard.

gai choi (noun)	indian mustard (noun)
Asiatic mustard used as a potherb	Asiatic mustard used as a potherb