Google Books Ngram Viewer

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

1800 - 1813 1814 - 1839 1840 - 1850 1851 - 1942 1943 - 2008 arbela English
1800 - 1825 1826 - 1938 1939 1940 - 2001 2002 - 2005 hewler English
1800 - 1819 1820 - 1950 1951 - 1959 1960 - 2002 2003 - 2008 erbil English

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