Google Books Ngram Viewer

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

1900 - 1912 1913 - 1916 1917 - 1920 1921 - 1987 1988 - 2008 grodno English
1900 - 1981 1982 - 1998 1999 2000 - 2007 2008 hrodna English

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