Google Books Ngram Viewer

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

1800 - 1823 1824 - 1853 1854 - 1860 1861 - 1945 1946 - 2000 islamism English
1800 - 1883 1884 - 1978 1979 - 1986 1987 - 1994 1995 - 2000 islam English

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