Google Books Ngram Viewer

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

1800 - 1824 1825 - 1938 1939 - 1950 1951 - 1970 1971 - 2000 bacon English
1800 - 1906 1907 - 1942 1943 - 1949 1950 - 1991 1992 - 2000 tomato English
1800 - 1843 1844 - 1941 1942 - 1951 1952 - 1984 1985 - 2000 lettuce English

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