Google Books Ngram Viewer

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

1800 - 1918 1919 - 1942 1943 - 1946 1947 - 1972 1973 - 2000 aerodrome English
1800 - 1942 1943 - 1986 1987 - 1991 1992 - 1995 1996 - 2000 airport English
1800 - 1944 1945 - 1953 1954 - 1957 1958 - 1990 1991 - 2000 airfield English

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