Untroubled rhymes with:
troubled, troubled, bubbled, doubled, redoubled, troubled, abled, ambled, assembled, babbled, bobbled, bubbled, burbled, cabled, cobbled, corbelled, crumbled, dabbled, dibbled, disabled, disassembled, doubled, dribbled, enabled, enfeebled, ennobled, fabled, fumbled, gabled, gambled, garbled, gobbled, grumbled, hobbled, humbled, jumbled, labeled, labelled, libeled, marbled, mislabeled, mumbled, nibbled, rambled, reassembled, redoubled, resembled, rumbled, scrambled, scribbled, squabbled, stumbled, tabled, theobald, trebled, trembled, troubled, tumbled, unlabeled, warbled, wobbled