ξιφίῃ ξιφίας, sword fish Morpho works with a static database. If you like, you can compare the output of Morpheus.Parsed as: masculine dative singular of ξιφίας ξιφίας Masculine SingularDualPlural Nominative – – – Genitive – – – Dative – – – Accusative – – ξιφίας Vocative – – –