ἐρεθισμὸς ἐρεθισμός, irritation Morpho works with a static database. If you like, you can compare the output of Morpheus.Parsed as: masculine nominative singular of ἐρεθισμός Search the corpus for this form only: ἐρεθισμὸς ἐρεθισμός Masculine SingularDualPlural Nominative – – – Genitive – – – Dative ἐρεθισμῷ – – Accusative – – – Vocative – – –