Google Books Ngram Viewer

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

1800 - 1823 1824 - 1898 1899 - 1905 1906 - 1913 1914 - 2000 3 2044 English
1800 - 1833 1834 - 1973 1974 - 1981 1982 - 1990 1991 - 2000 02138 English

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