Google Books Ngram Viewer

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

1800 - 1815 1816 - 1824 1825 - 1832 1833 - 1947 1948 - 2000 rather not to English
1800 - 1853 1854 - 1930 1931 1932 - 1993 1994 - 2000 rather to not English

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