ῥῆον ῥῆον, rhubarb Morpho works with a static database. If you like, you can compare the output of Morpheus.No parse information found. Search for this form in Logeion: of ῥῆον ῥῆον Neuter SingularDualPlural Nominative – – – Genitive ῥήου – – Dative – – – Accusative – – – Vocative – – –