Google Books Ngram Viewer

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

1800 - 1871 1872 - 1912 1913 - 1920 1921 - 1971 1972 - 2000 railroad English
1800 - 1919 1920 - 1940 1941 - 1946 1947 - 1987 1988 - 2000 automobile English
1800 - 1929 1930 - 1941 1942 - 1943 1944 - 1989 1990 - 2000 airplane English
1800 - 1905 1906 - 1950 1951 - 1959 1960 - 1990 1991 - 2000 bicycle English

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