Google Books Ngram Viewer

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

1800 - 1938 1939 - 1988 1989 - 1992 1993 - 1996 1997 - 2000 boost English
1800 - 1827 1828 - 1958 1959 - 1972 1973 - 1985 1986 - 2000 increase English
1800 - 1819 1820 - 1905 1906 - 1922 1923 - 1979 1980 - 2000 grow English

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