Google Books Ngram Viewer

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

1900 - 1910 1911 - 1922 1923 - 1928 1929 - 1991 1992 - 2000 substantial point English
1900 - 1957 1958 - 1989 1990 - 1993 1994 - 1997 1998 - 2000 substantive point English

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