Google Books Ngram Viewer

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

1800 - 1900 1901 - 1939 1940 - 1947 1948 - 1990 1991 - 2000 lunkhead English
1800 - 1917 1918 1919 - 1959 1960 - 1992 1993 - 2000 lumphead English

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