Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
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Esperanto oceano
German Ozean (borrowed)
English ocean (borrowed)
Spanish océano (borrowed)
French océan (borrowed)
Ancient Greek Ὠκεανός (derived)
Italian oceano (borrowed)
Latin ōceanus (derived)
Russian океа́н (borrowed)

Esperanto Oceanio (affix)