Κητοῦς Κητώ, Ceto 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 Κητώ Κητώ Feminine SingularDualPlural Nominative Κητὼ – – Genitive Κητοῦς – – Dative – – – Accusative – – – Vocative – – –