Θύιλλος No short definition found for Θύιλλος Found Θύιλλος with different capitalization. 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 Θύιλλος Θύιλλος No checked forms of Θύιλλος in the morphology database.