Google Books Ngram Viewer

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

1550 - 1677 1678 - 1769 1770 - 1788 1789 - 1888 1889 - 2008 tolerable English
1550 - 1982 1983 - 2003 2004 - 2005 2006 - 2007 2008 sustainable English

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