Google Books Ngram Viewer

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

1800 - 1818 1819 - 1853 1854 - 1869 1870 - 1971 1972 - 2000 now English
1800 - 1819 1820 - 1874 1875 - 1892 1893 - 1977 1978 - 2000 then English

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