Google Books Ngram Viewer

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

1540 - 1642 1643 - 1805 1806 - 1827 1828 - 1983 1984 - 2008 espoir French
1540 - 1675 1676 - 1815 1816 - 1831 1832 - 1975 1976 - 2008 désespoir French

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