U1M3B3O1N1A1L1
11 points
UMBONAL is validvalid
UMBO, the rounded elevation at the center of a shield [adj]
of or like an umbo, the boss of a shield, also UMBONIC [adj]
UMBO, the rounded elevation at the center of a shield [adj]
of or like an umbo, the boss of a shield, also UMBONIC [adj]