Google Books Ngram Viewer

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

1500 - 1938 1939 - 1993 1994 - 1996 1997 - 2004 2005 - 2008 holzauge German

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