Google Books Ngram Viewer

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

1800 - 1954 1955 - 1991 1992 - 1993 1994 - 1998 1999 - 2000 need washed English
1800 - 1840 1841 - 1907 1908 - 1918 1919 - 1982 1983 - 2000 need washing English
1800 - 1822 1823 - 1832 1833 - 1889 1890 - 1984 1985 - 2000 need to be washed English

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