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<iframe name="ngram_chart" src="https://books.google.com/ngrams/interactive_chart?content=tranquility,tranquillity&year_start=1800&year_end=2000&corpus=15&smoothing=3&share=&direct_url=t1;,tranquility;,c0;.t1;,tranquillity;,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_
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King of *, best *_NOUN
Inflections
shook_INF drive_VERB_INF
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(color /(color + colour))
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1800
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2000
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English (2012)
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2012
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tranquility
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1800 - 1808
1809 - 1820
1821 - 1937
1938 - 1986
1987 - 2000
English
tranquillity
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1800 - 1805
1806 - 1819
1820 - 1826
1827 - 1912
1913 - 2000
English