bok choy vs bok choi

bok choy and bok choi both are nouns.

Word	Noun	Adjective	Verb	Adverb
bok choy	Yes	No	No	No
bok choi	Yes	No	No	No

As nouns, bok choy and bok choi are synonyms defined as:

bok choy and bok choi: elongated head of dark green leaves on thick white stalks

As nouns, bok choy and bok choi are synonyms defined as:

bok choy and bok choi: Asiatic plant grown for its cluster of edible white stalks with dark green leaves

Other synonyms of bok choy include Brassica rapa chinensis, Chinese white cabbage, pak choi, pakchoi.

bok choy (noun)	bok choi (noun)
elongated head of dark green leaves on thick white stalks	elongated head of dark green leaves on thick white stalks
Asiatic plant grown for its cluster of edible white stalks with dark green leaves	Asiatic plant grown for its cluster of edible white stalks with dark green leaves