Google Books Ngram Viewer

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

1800 - 1841 1842 - 1974 1975 - 1987 1988 - 2000 2001 - 2008 bonjour French
1800 - 1861 1862 - 1915 1916 - 1924 1925 - 1992 1993 - 2008 bonjours French

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