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 -οῦς

Ancient Greek Τραπεζοῦς (suffix)
Ancient Greek Κερασοῦς (affix)
Ancient Greek Ἀμαθοῦς (affix)
Ancient Greek Ἀνθεμοῦς (affix)
Ancient Greek Ὀποῦς (affix)
Ancient Greek Ῥαμνοῦς (affix)
Ancient Greek Σελινοῦς (suffix)
Ancient Greek Σκιλλοῦς (suffix)
Ancient Greek Ψαμαθοῦς (suffix)
Ancient Greek Σιδοῦς (suffix)
Ancient Greek Ὑδροῦς (suffix)
Ancient Greek Ῥιζοῦς (affix)
Ancient Greek Φηγοῦς (suffix)
Ancient Greek Χαραδροῦς (suffix)
Ancient Greek Δαφνοῦς (affix)
Ancient Greek Φοινικοῦς (suffix)
Ancient Greek Σιδηροῦς (affix)
Ancient Greek Τρεμιθοῦς (affix)
Ancient Greek πυραμοῦς (suffix)