Google Books Ngram Viewer

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

1800 - 1825 1826 - 1906 1907 - 1920 1921 - 1984 1985 - 2000 is half full English
1800 - 1831 1832 - 1928 1929 - 1930 1931 - 1993 1994 - 2000 is a quarter full English

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