Here's what rhymes with underdeterred.
bird deterred heard third word herd stirred blurred deferred spurred curd interred demurred furred sherd occurred absurd incurred inferred slurred referred preferred unheard recurred transferred conferred concurred overheard Words that almost rhyme with underdeterred
church dirt birch perch purge chert chirp dirge pert search emerge hurt shirt verb disturb curb inert merge surge verge dessert diverge spurt cert curt girt lurch serge wort assert alert exert insert overt divert skirt superb avert revert scourge invert advert flirt research subvert usurp submerge unhurt converge reassert turned burned termed purged churned world learned returned served disturbed emerged curved deserved curled discerned hurled merged adjourned whirled perturbed spurned surged yearned curbed observed reserved affirmed diverged scourged swerved swirled unearned unperturbed preserved submerged undisturbed overturned underworld undeserved unlearned unobserved squirmed unfurled unnerved concerned confirmed conserved reaffirmed converged unconcerned unreserved