Google Books Ngram Viewer

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

1880 - 1919 1920 - 2000 2001 - 2003 2004 - 2006 2007 - 2008 liminal English
1880 - 1907 1908 - 1915 1916 - 1961 1962 - 1998 1999 - 2008 subliminal English

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