Google Books Ngram Viewer

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

1750 - 1761 1762 - 1791 1792 - 1799 1800 - 1967 1968 - 2000 fold English
1750 - 1818 1819 - 1917 1918 - 1933 1934 - 1972 1973 - 2000 sold English

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