Google Books Ngram Viewer

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

1880 - 1887 1888 - 1895 1896 - 1902 1903 - 1978 1979 - 2008 chestnut English
1880 - 1887 1888 - 1895 1896 - 1902 1903 - 1977 1978 - 2008 elm English
1880 - 1893 1894 - 1935 1936 - 1945 1946 - 1992 1993 - 2008 maple English

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