Google Books Ngram Viewer

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

1800 - 1846 1847 - 1922 1923 - 1935 1936 - 1980 1981 - 2000 is that so English
1800 - 1827 1828 - 1985 1986 - 1988 1989 - 1997 1998 - 2000 oh really English

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