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<iframe name="ngram_chart" src="https://books.google.com/ngrams/interactive_chart?content=clé,clef&year_start=1700&year_end=2018&corpus=19&smoothing=3&share=&direct_url=t1;,clé;,c0;.t1;,clef;,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
Wildcards
King of *, best *_NOUN
Inflections
shook_INF drive_VERB_INF
Arithmetic compositions
(color /(color + colour))
Corpus selection
I want:eng_2019
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1700
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2018
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French (2012)
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English
2019
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American English
2019
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British English
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Chinese (simplified)
2019
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English Fiction
2019
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French
2019
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German
2019
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Hebrew
2019
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Italian
2019
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Russian
2019
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American English
2012
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British English
2012
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Chinese (simplified)
2012
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English
2012
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English Fiction
2012
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French
2012
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German
2012
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Hebrew
2012
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Italian
2012
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Russian
2012
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2012
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American English
2009
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British English
2009
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Chinese (simplified)
2009
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English
2009
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English Fiction
2009
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English One Million
2009
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French
2009
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German
2009
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Hebrew
2009
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Russian
2009
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Spanish
2009
Case-Insensitive
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clé
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1700 - 1813
1814 - 1987
1988 - 1996
1997 - 2003
2004 - 2018
French (2012)
clef
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1700 - 1749
1750 - 1865
1866 - 1889
1890 - 1978
1979 - 2018
French (2012)