Google Books Ngram Viewer

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

1550 - 1574 1575 1576 - 1851 1852 - 2003 2004 - 2008 olive branch English
1550 - 1769 1770 - 1785 1786 - 1887 1888 - 1981 1982 - 2008 cabbage English
1550 - 1795 1796 - 1961 1962 - 1979 1980 - 1993 1994 - 2008 mushroom English
1550 - 1991 1992 - 2000 2001 - 2002 2003 - 2004 2005 - 2006 couch potato English

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