Google Books Ngram Viewer

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

1800 - 1877 1878 - 1988 1989 - 1995 1996 - 2002 2003 - 2008 luberon French
1800 - 1916 1917 - 1986 1987 - 1991 1992 - 1999 2000 - 2008 lubéron French

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