Google Books Ngram Viewer

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

1500 - 1592 1593 - 1837 1838 - 1860 1861 - 1882 1883 - 1910 pettifogger English

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