Google Books Ngram Viewer

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

1750 - 1768 1769 - 1790 1791 - 1803 1804 - 1937 1938 - 1950 piège French
1750 - 1771 1772 - 1821 1822 - 1828 1829 - 1867 1868 - 1950 piége French

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