Google Books Ngram Viewer

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

1900 - 1920 1921 - 1932 1933 - 1935 1936 - 1989 1990 - 2008 ages since i saw English
1900 - 1935 1936 - 1988 1989 - 1991 1992 - 2003 2004 - 2008 waited for ages English

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