Google Books Ngram Viewer

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

1800 - 1831 1832 - 1939 1940 - 1942 1943 - 1989 1990 - 2008 raconter de quoi French
1800 - 1817 1818 - 1828 1829 - 1894 1895 - 1999 2000 - 2008 raconter ce dont French

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