Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
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English Acheron
English Acherontic (link)
English Cocytus (link)
English Eridanos (link)
English Lethe (link)
English Phlegethon (link)
English Styx (link)
Ancient Greek Ἀχέρων (derived)
Ancient Greek ἄχος (mention)
Ancient Greek ῥέον (mention)
Latin Acheron (borrowed)

English Acheronian (suffix)