world whirled curled hurled swirled furled twirled underworld unfurled netherworld

Words that almost rhyme with protoworld

whirred

word heard third turned learned served bird burned termed curved herd merged purged curd surged yearned churned curbed furred sherd swerved gird nerved purred occurred emerged affirmed deserved stirred blurred deferred discerned adjourned deterred spurred diverged perturbed spurned demurred scourged slurred squirmed unearned leisured observed referred returned preferred preserved absurd disturbed reserved incurred inferred overheard overturned unheard interred recurred unlearned unnerved concerned confirmed transferred conferred submerged concurred conserved reaffirmed converged undeserved unperturbed undeterred undisturbed unobserved unreserved disinterred unconcerned hummingbird unconfirmed