Google Books Ngram Viewer

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

1800 - 1809 1810 - 1819 1820 - 1857 1858 - 1944 1945 - 2000 ought English
1800 - 1819 1820 - 1950 1951 - 1971 1972 - 1988 1989 - 2000 want English

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