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<iframe name="ngram_chart" src="https://books.google.com/ngrams/interactive_chart?content=John+Fitzgerald+Kennedy,John+F+Kennedy,John+Kennedy,JFK,President+Kennedy&year_start=1920&year_end=2008&corpus=15&smoothing=3&share=&direct_url=t1;,John%20Fitzgerald%20Kennedy;,c0;.t1;,John%20F%20Kennedy;,c0;.t1;,John%20Kennedy;,c0;.t1;,JFK;,c0;.t1;,President%20Kennedy;,c0" width=900 height=500 marginwidth=0 marginheight=0 hspace=0 vspace=0 frameborder=0 scrolling=no></iframe>
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Part-of-speech tags
cook_VERB, _DET_ President _PROPN_
Wildcards
King of *, best *_NOUN
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shook_INF drive_VERB_INF
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1920
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2008
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English (2012)
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English
2012
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john fitzgerald kennedy
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1920 - 1963
1964 - 1965
1966 - 1985
1986 - 2001
2002 - 2008
English
john f kennedy
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1920 - 1981
1982 - 1998
1999 - 2000
2001 - 2006
2007 - 2008
English
john kennedy
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1920 - 1962
1963 - 1971
1972 - 1975
1976 - 2001
2002 - 2008
English
jfk
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1920 - 1969
1970 - 2000
2001 - 2003
2004 - 2005
2006 - 2008
English
president kennedy
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1920 - 1963
1964 - 1965
1966 - 1967
1968 - 2003
2004 - 2008
English