Google Books Ngram Viewer

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

1800 - 1918 1919 - 1983 1984 - 1991 1992 - 2000 2001 - 2008 superman English
1800 - 1882 1883 - 1944 1945 - 1951 1952 - 1985 1986 - 2008 batman English
1800 - 1980 1981 - 2003 2004 2005 2006 - 2008 spiderman English

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