t'ai chi vs t'ai chi chuan

t'ai chi and t'ai chi chuan both are nouns.

Word	Noun	Adjective	Verb	Adverb
t'ai chi	Yes	No	No	No
t'ai chi chuan	Yes	No	No	No

As nouns, t'ai chi and t'ai chi chuan are synonyms defined as:

t'ai chi and t'ai chi chuan: a Chinese system of slow meditative physical exercise designed for relaxation and balance and health

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

t'ai chi (noun)	t'ai 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