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 ἱλαρός
Ancient Greek ἵλαος (affix)
Ancient Greek -ρός (affix)

English hilarious (derived)
English exhilarate (derived)
English Hilary term (derived)
Cebuano hilaryos (derived)
Greek ιλαροτραγωδία (derived)
Ancient Greek ἵλαος (mention)
Italian ilare (derived)
Italian ilarotragedia (mention)
Latin hilaris (derived)
Dutch hilariteit (derived)