Πτελεόν Πτελεόν, Pteleum Morpho works with a static database. If you like, you can compare the output of Morpheus.Parsed as: Proper-name noun neuter nominative singular Proper-name noun neuter vocative singular Proper-name noun neuter accusative singular of Πτελεόν Πτελεόν Neuter SingularDualPlural Nominative – – – Genitive – – – Dative – – – Accusative Πτελεὸν – – Vocative – – –