Google Books Ngram Viewer

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

1800 - 1824 1825 - 1926 1927 - 1942 1943 - 1981 1982 - 2000 stupid English
1800 - 1862 1863 - 1919 1920 - 1930 1931 - 1974 1975 - 2000 idiotic English

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