Google Books Ngram Viewer

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

1800 - 1819 1820 - 1879 1880 - 1899 1900 - 1987 1988 - 2000 for now English
1800 - 1820 1821 - 1917 1918 - 1933 1934 - 1969 1970 - 2000 for the time being English

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