Ἠχοῦς Ἠχώ, Echo Morpho works with a static database. If you like, you can compare the output of Morpheus.Parsed as: Proper-name noun feminine nominative plural Proper-name noun feminine vocative plural ✓ Proper-name noun feminine genitive singular of Ἠχώ Ἠχώ Feminine SingularDualPlural Nominative Ἠχώ, Ἠχὼ – – Genitive Ἠχοῦς – – Dative – – – Accusative Ἠχὼ – – Vocative – – –