Google Books Ngram Viewer

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

1800 - 1878 1879 - 1993 1994 - 1996 1997 - 1998 1999 - 2000 i need to English
1800 - 1818 1819 - 1885 1886 - 1900 1901 - 1958 1959 - 2000 i ought to English

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