Google Books Ngram Viewer

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

1940 - 1956 1957 1958 - 1985 1986 - 1995 1996 - 2000 个人 崇拜 Chinese
1940 - 1960 1961 - 1979 1980 1981 - 1997 1998 - 2000 个人 迷信 Chinese

Run your own experiment! Raw data is available for download here.
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