Google Books Ngram Viewer

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

1600 - 1637 1638 - 1816 1817 - 1831 1832 - 1940 1941 - 2008 traitorous English
1600 - 1643 1644 - 1659 1660 1661 - 2000 2001 - 2008 treasonous English
1600 - 1669 1670 - 1788 1789 - 1811 1812 - 1899 1900 - 2008 treasonable English

Run your own experiment! Raw data is available for download here.
© 2013 Google - Privacy & Terms - About Google - About Google Books - About Ngram Viewer