Google Books Ngram Viewer

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

1900 - 1911 1912 - 1942 1943 - 1950 1951 - 1992 1993 - 2000 pretty good English
1900 - 1916 1917 - 1941 1942 - 1948 1949 - 1988 1989 - 2000 quite good English

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