Google Books Ngram Viewer

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

1800 - 1932 1933 - 1944 1945 - 1948 1949 - 1991 1992 - 2000 icebox English
1800 - 1911 1912 - 1979 1980 - 1987 1988 - 1994 1995 - 2000 refrigerator English

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