Google Books Ngram Viewer

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

1550 - 1652 1653 - 1661 1662 1663 - 1826 1827 - 1978 longhair English
1550 - 1861 1862 - 1918 1919 - 1926 1927 - 1973 1974 - 2008 blackleg English
1550 - 1994 1995 1996 - 2000 2001 - 2005 2006 dittohead English

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