Chinese cabbage vs pe-tsai

Chinese cabbage and pe-tsai both are nouns.

Word	Noun	Adjective	Verb	Adverb
Chinese cabbage	Yes	No	No	No
pe-tsai	Yes	No	No	No

As nouns, Chinese cabbage and pe-tsai are synonyms defined as:

Chinese cabbage and pe-tsai: plant with an elongated head of broad stalked leaves resembling celery; used as a vegetable in east Asia

Other synonyms of Chinese cabbage include Brassica rapa pekinensis, celery cabbage, napa.

Chinese cabbage (noun)	pe-tsai (noun)
elongated head of crisp celery-like stalks and light green leaves	plant with an elongated head of broad stalked leaves resembling celery; used as a vegetable in east Asia
plant with an elongated head of broad stalked leaves resembling celery; used as a vegetable in east Asia