ὀρεῦσιν ὀρεύς, a mule Morpho works with a static database. If you like, you can compare the output of Morpheus.Parsed as: ✓ masculine dative plural of ὀρεύς Search the corpus for this form only: ὀρεῦσιν ὀρεύς Masculine SingularDualPlural Nominative ὀρεύς – ὀρεῖς Genitive – – – Dative – – ὀρεῦσιν Accusative – – οὐρῆας, οὐρῆάς Vocative – – –