Here's what rhymes with unflattened.
flattened fattened Words that almost rhyme with unflattened
happened patent saddened gladdened maddened imagined pageant combatant rattled slackened rationed lasted fashioned fastened ragged blackened patted battled chatted slanted unfastened granted managed rapid valid landed planted challenged damaged traveled travelled ballad reacted salad baffled blasted placid scaffold tackled channeled dazzled pallid crackled dampened paneled shackled barreled captioned mantled masted rambled rankled straggled unraveled unravelled untrammeled untrammelled abandoned examined adapted attracted handed handled contrasted enacted sampled sanctioned stranded canceled cancelled candid impassioned scrambled supplanted tangled trampled bandaged languid mangled padded paddled refracted saddled strangled dangled dappled diffracted embattled gambled grappled spangled undamaged antacid babbled dabbled enameled straddled extracted distracted dismantled interacted retracted hazarded bedraggled reexamined demanded commanded expanded entangled unexampled disentangled