Google Books Ngram Viewer

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

1800 - 1974 1975 - 1995 1996 - 1997 1998 - 1999 2000 asshole English
1800 - 1982 1983 - 1996 1997 1998 1999 - 2000 dickhead English
1800 - 1972 1973 - 1993 1994 - 1995 1996 - 1998 1999 - 2000 shithead English
1800 - 1911 1912 - 1985 1986 - 1987 1988 - 1996 1997 - 2000 douchebag English

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