Google Books Ngram Viewer

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

1800 - 1819 1820 - 1953 1954 - 1970 1971 - 1985 1986 - 2000 decide on English
1800 - 1871 1872 - 1975 1976 - 1984 1985 - 1993 1994 - 2000 decide about English
1800 - 1897 1898 - 1979 1980 - 1987 1988 - 1994 1995 - 2000 decide to English

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