Google Books Ngram Viewer

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

1800 - 1972 1973 - 2002 2003 - 2004 2005 - 2006 2007 - 2008 george carlin English
1800 - 1976 1977 - 1990 1991 - 1992 1993 - 2004 2005 - 2008 bill cosby English
1800 - 1969 1970 - 1973 1974 - 1975 1976 - 2002 2003 - 2008 lenny bruce English
1800 - 1978 1979 - 2000 2001 - 2003 2004 - 2006 2007 - 2008 richard pryor English

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