Google Books Ngram Viewer

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

1550 - 1871 1872 - 1935 1936 - 1949 1950 - 1996 1997 - 2008 malfeasance English
1550 - 1803 1804 - 1969 1970 - 1981 1982 - 1995 1996 - 2008 nepotism English
1550 - 1660 1661 - 1801 1802 - 1813 1814 - 1875 1876 - 2008 emolument English
1550 - 1649 1650 - 1779 1780 - 1812 1813 - 1990 1991 - 2008 collusion English
1550 - 1665 1666 - 1674 1675 - 1757 1758 - 1884 1885 - 2008 impeach English

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