t'ai chi chuan vs taichi

t'ai chi chuan and taichi both are nouns.

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

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

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

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

t'ai chi chuan (noun)	taichi (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