Here's what rhymes with youthful.
truthful untruthful Words that almost rhyme with youthful
useful rueful fruitful ruble cupful rouble tuneful fuel cruel neutral pupil brutal dual feudal duel futile buccal jewel bugle butyl frugal tubal ducal dural noodle poodle pupal doodle duple google newel nubile bluegill boodle crewel tootle scoopful crucial renewal scruple accrual unfruitful strudel spoonbill spoonsful bejewel removal approval communal occlusal perusal refuel caboodle canoodle refusal tribunal quadruple monsoonal synfuel tablespoonful bamboozle protrusile disapproval dessertspoonful tablespoonsful dessertspoonsful instinctual premenstrual