Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
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Latin operor
Latin opus (mention)

English operation (mention)
English operator (mention)
Czech manévr (mention)
Spanish obrar (mention)
French opérer (mention)
French manœuvrer (mention)
French ouvrer (mention)
Middle French operer (borrowed)
Old French ovrer (mention)
Galician obrar (mention)
Hungarian operátor (mention)
Indonesian operasi (mention)
Italian cooperare (mention)
Italian operare (mention)
Italian manovrare (mention)
Latin operator (suffix)
Latin opero (mention)
Latin operatus (mention)
Latin operans (mention)
Latin inoperor (prefix)
Latin cooperor (prefix)
Latvian upuris (mention)
Latvian operācija (mention)
Dutch operatie (mention)
Norman opéthâtion (mention)
Norman opéther (mention)
Portuguese operar (mention)
Portuguese obrar (mention)