underwent

pt of undergo.

understaffed, understand, understandable, understandably, understanding, understate, understated, understatement, understood, understudy, undertake, undertaker, undertaking, undertone, undertow, underutilize, undervalue, underwater, underwear, underweight, underworld, underwrite, underwriter, undeserved, undeservedly, undeserving, undesignated, undesirable, undesirably, undetectable, undeterred, undeveloped, undid, undies, undignified, undirected, undischarged, undisclosed, undiscovered, undisputed,