Google Books Ngram Viewer

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

1800 - 1837 1838 - 1925 1926 - 1935 1936 - 1977 1978 - 2000 rack your brains English
1800 - 1946 1947 - 1977 1978 - 1980 1981 - 1994 1995 - 2000 wrack your brains English
Run your own experiment! Raw data is available for download here.
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