Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
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Ancient Greek θέατρον
Ancient Greek θεάομαι (affix)
Ancient Greek -τρον (affix)

English theater (derived)
English theatre (derived)
English teātris (derived(en/lv))
Afrikaans teater (derived)
Azerbaijani teatr (derived)
Bashkir театр (derived)
Buryat театр (derived)
Catalan teatre (derived)
Danish teater (derived)
German Theater (derived)
Middle English theater (derived)
Esperanto teatro (derived)
Spanish teatro (derived)
French théâtre (derived)
Old French teatre (mention)
Hungarian amfiteátrum (mention)
Indonesian teater (derived)
Ido teatro (derived)
Istriot taiatro (derived)
Italian teatro (derived)
Kazakh театр (derived)
Konkani तियात्र (derived)
Kyrgyz театр (derived)
Latin theatrum (derived)
Limburgish teater (derived)
Lithuanian teatras (derived)
Mongolian театр (derived)
Norwegian Bokmål teater (derived)
Norwegian Bokmål absurdteater (derived)
Dutch theater (derived)
Norman thiâtre (mention)
Norman théatre (mention)
Norman théyâte (mention)
Polish teatr (borrowed)
Portuguese teatro (derived)
Russian театр (derived)
Yakut театр (derived)
Albanian teatër (derived)
Tajik театр (derived)
Ukrainian театр (derived)
Uzbek teatr (derived)
Old Armenian թատր (borrowed)
Yiddish טעאַטער (derived)