Google Books Ngram Viewer

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

1880 - 1892 1893 - 1903 1904 - 1943 1944 - 2000 2001 - 2008 kiss English
1880 - 1889 1890 - 1898 1899 - 1907 1908 - 1994 1995 - 2008 passion English

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