Dict: strongs - fifteen
Strongs:
G1178 @ δεκαπέντε dekapente dek-ap-en'-teh From G1176 and G4002; ten and five that is fifteen: - fifteen.
G4003 @ πεντεκαιδέκατος pentekaidekatos pen-tek-ahee-dek'-at-os From G4002 and G2532 and G1182; five and tenth: - fifteenth.