Google Books Ngram Viewer

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

1800 - 1809 1810 - 1817 1818 - 1825 1826 - 1922 1923 - 2008 endue English

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