Google Books Ngram Viewer

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

1808 - 1843 1844 - 1856 1857 - 1866 1867 - 1969 1970 - 2008 from kentucky English
1808 - 1849 1850 - 1882 1883 - 1894 1895 - 1972 1973 - 2008 kentuckian English

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