Google Books Ngram Viewer

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

1800 - 1889 1890 - 1977 1978 - 1986 1987 - 1993 1994 - 2000 smelled English
1800 - 1830 1831 - 1929 1930 - 1942 1943 - 1962 1963 - 2000 smelt English

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