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<iframe name="ngram_chart" src="https://books.google.com/ngrams/interactive_chart?content=Putzfrau,Putzfrauen,Raumpflegerin,Raumpflegerinnen&year_start=1918&year_end=2018&corpus=20&smoothing=3&share=&direct_url=t1;,Putzfrau;,c0;.t1;,Putzfrauen;,c0;.t1;,Raumpflegerin;,c0;.t1;,Raumpflegerinnen;,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))
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I want:eng_2019
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1918
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2018
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German (2012)
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English
2019
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English Fiction
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2019
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2019
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2019
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2019
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American English
2012
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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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2012
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2012
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American English
2009
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2009
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Chinese (simplified)
2009
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2009
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English Fiction
2009
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English One Million
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2009
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2009
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putzfrau
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1918 - 1952
1953 - 1999
2000 - 2003
2004 - 2006
2007 - 2018
German (2012)
putzfrauen
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1918 - 1945
1946 - 1995
1996 - 2000
2001 - 2004
2005 - 2018
German (2012)
raumpflegerin
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1918 - 1968
1969 - 1975
1976 - 1978
1979 - 2003
2004 - 2018
German (2012)
raumpflegerinnen
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1918 - 1965
1966 - 1976
1977 - 1978
1979 - 2000
2001 - 2018
German (2012)