Ἰσσὸν Ἰσσός, Issus Morpho works with a static database. If you like, you can compare the output of Morpheus.Parsed as: Proper-name noun masculine accusative singular of Ἰσσός Ἰσσός Masculine SingularDualPlural Nominative – – – Genitive – – – Dative – – Ἰσσοῖς Accusative – – Ἰσσούς Vocative – – –