κέρθιος κέρθιος, tree-creeper, Certhia familiaris Found κέρθιος 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 κέρθιος κέρθιος No checked forms of κέρθιος in the morphology database.