Google Books Ngram Viewer

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

1800 - 1826 1827 - 1912 1913 - 1926 1927 - 1984 1985 - 2008 train English
1800 - 1920 1921 - 1935 1936 - 1941 1942 - 1990 1991 - 2008 automobile English
1800 - 1930 1931 - 1942 1943 - 1944 1945 - 1996 1997 - 2008 airplane English

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