Here's what rhymes with gruntled.
disgruntled Words that almost rhyme with gruntled
crumpled bundled crumbled grumbled rumbled rumpled trundled humbled mumbled tumbled fumbled jumbled stumbled hunted blunted ruffled rusted rustled funneled contused coupled troubled doubled puzzled rugged chuckled erupted huddled muffled upland buckled buttoned muddled shuffled bubbled hustled muscled roughened scuttled tufted unleavened bustled butted connived cuddled muzzled shoveled suckled hundred accustomed adjusted confronted struggled summoned flooded funded redoubled smuggled unruffled bungled snuggled toughened husband conducted consulted functioned inducted unbuttoned untroubled abraded befuddled caparisoned cuspid decoupled uncoupled constructed instructed disgusted unaccustomed distrusted insipid bicuspid uninstructed