Google Books Ngram Viewer

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

1560 - 1640 1641 - 1658 1659 - 1840 1841 - 1969 1970 - 2001 suck English

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