Google Books Ngram Viewer

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

1800 - 1938 1939 1940 - 1962 1963 - 1999 2000 boxelder bug English
1800 - 1910 1911 - 1949 1950 - 1953 1954 - 1991 1992 - 2000 box elder bug English

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