ὀνυχίτου ὀνυχίτης, of the onyx kind Morpho works with a static database. If you like, you can compare the output of Morpheus.Parsed as: masculine genitive singular of ὀνυχίτης ὀνυχίτης Singular Feminine Nominative – Genitive ὀνυχίτιδος Dative – Accusative – Vocative –