Here's what rhymes with underaggressive.
aggressive excessive progressive oppressive recessive regressive digressive overaggressive impressive successive expressive depressive compressive obsessive possessive repressive suppressive transgressive retrogressive unimpressive inexpressive nonsuccessive immunosuppressive Words that almost rhyme with underaggressive
yeses addresses caresses tresses blesses messes fesses egresses excesses assesses meshes oppresses acquiesces coalesces regresses abbesses digresses fleshes threshes tigresses amerces confesses distresses impresses professes suppresses transgresses fluoresces authoresses obsesses prioresses reassesses murderesses mayoresses obsolesces prosthesis refreshes preadolescence sorceresses effervesces convalesces manageresses recrudesces restive festive pensive collective offensive corrective elective effective extensive expensive intensive defensive selective suggestive affective attentive connective digestive directive receptive apprehensive congestive reflexive retentive unoffensive objective perspective protective respective defective incentive detective preventive reflective deceptive infective inventive perceptive convective inoffensive invective projective redemptive preemptive deflective unperceptive comprehensive subjective prospective ineffective inexpensive irrespective hypertensive coextensive hypotensive inattentive intersubjective counteroffensive nonobjective imperceptive noneffective contraceptive introspective antihypertensive disincentive overattentive retrospective proprioceptive