δεκατρεῖς δεκατρεῖς, thirteen Morpho works with a static database. If you like, you can compare the output of Morpheus.Parsed as: numeral masculine nominative plural numeral feminine nominative plural numeral masculine accusative plural ✓ numeral feminine accusative plural of δεκατρεῖς δεκατρεῖς Other forms of δεκατρεῖς: δεκατρεῖς, δεκατρία