Google Books Ngram Viewer

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

1800 - 1871 1872 - 1937 1938 - 1946 1947 - 1995 1996 - 2008 realize English
1800 - 1881 1882 - 1912 1913 - 1921 1922 - 1992 1993 - 2008 realise English

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