Google Books Ngram Viewer

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

1500 - 1945 1946 - 1981 1982 - 1985 1986 - 1996 1997 - 2008 depressives English
1500 - 1905 1906 - 1983 1984 - 1989 1990 - 1998 1999 - 2008 diabetics English

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