Google Books Ngram Viewer

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

1930 - 1972 1973 - 1996 1997 - 1998 1999 - 2004 2005 - 2008 racism English
1930 - 1978 1979 - 1997 1998 - 1999 2000 - 2002 2003 - 2008 sexism English
1930 - 1988 1989 - 1997 1998 1999 - 2005 2006 - 2008 homophobia English
1930 - 1999 2000 - 2005 2006 2007 2008 islamophobia English

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