Google Books Ngram Viewer

Graph these comma-separated phrases:
case-insensitive
between and from the corpus with smoothing of .  

Ngrams not found: t ' ai chi, [t ' ai chi]
The Ngram Viewer is case sensitive. Check your capitalization!

Search in Google Books:

1900 - 1953 1954 - 1993 1994 1995 - 1998 1999 - 2000 taiji English
1900 - 1982 1983 1984 - 1991 1992 - 1994 1995 - 1998 taijiquan English
1900 - 1981 1982 - 1997 1998 1999 2000 tai chi English
1900 - 1976 1977 - 1997 1998 1999 2000 tai chi chuan English

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