Google Books Ngram Viewer

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

1800 - 1882 1883 - 1918 1919 - 1924 1925 - 1964 1965 - 2000 hullo English
1800 - 1924 1925 - 1984 1985 - 1990 1991 - 1996 1997 - 2000 hello English

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