Google Books Ngram Viewer

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

1800 - 1834 1835 - 1934 1935 - 1939 1940 - 1995 1996 - 2000 forums English
1800 - 1815 1816 - 1828 1829 - 1896 1897 - 1990 1991 - 2000 fora English

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