Google Books Ngram Viewer

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

1500 - 1797 1798 - 1815 1816 - 1819 1820 - 1922 1923 - 2008 avec le secours de laquelle French
1500 - 1856 1857 - 1938 1939 - 1942 1943 - 1964 1965 - 2008 avec le concours de laquelle French

Run your own experiment! Raw data is available for download here.
© 2013 Google - Privacy & Terms - About Google - About Google Books - About Ngram Viewer