taichi vs tai chi chuan

taichi and tai chi chuan both are nouns.

Word	Noun	Adjective	Verb	Adverb
taichi	Yes	No	No	No
tai chi chuan	Yes	No	No	No

As nouns, taichi and tai chi chuan are synonyms defined as:

taichi and tai chi chuan: a Chinese system of slow meditative physical exercise designed for relaxation and balance and health

Other synonyms of taichi include t'ai chi, t'ai chi chuan, tai chi, taichichuan.

taichi (noun)	tai chi chuan (noun)
a Chinese system of slow meditative physical exercise designed for relaxation and balance and health	a Chinese system of slow meditative physical exercise designed for relaxation and balance and health