Google Books Ngram Viewer

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

1800 - 1801 1802 - 1808 1809 - 1814 1815 - 1928 1929 - 2000 neither of them are English
1800 - 1812 1813 - 1826 1827 - 1839 1840 - 1966 1967 - 2000 neither of them is English

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