Ὄσσειος No short definition found for Ὄσσειος Found Ὄσσειος with different capitalization. Morpho works with a static database. If you like, you can compare the output of Morpheus.Parsed as: ✓ neuter nominative dual neuter vocative dual ✓ neuter accusative dual of ὄσσε Ὄσσειος No checked forms of Ὄσσειος in the morphology database.