Here's what rhymes with unstiffened.
stiffened Words that almost rhyme with unstiffened
listened visioned conditioned positioned petitioned christened glistened sufficient efficient commissioned deficient imprisoned envisioned omniscient partitioned unconditioned provisioned insufficient inefficient proficient maleficent rechristened reconditioned coefficient reminiscent beneficent preconditioned requisitioned thickened pitted tickled pickled sickened brigand pinioned stippled jiggled fitted lifted rigid shifted wicked gifted drifted bearded quickened synod tilted frigid giggled knitted riddled tripled chiseled flitted nibbled rippled trickled wriggled dimpled dribbled fiddled skidded tingled tinkled whittled wiggled admitted liquid listed permitted printed omitted submitted mingled privileged twisted vivid emitted hinted addicted crippled kindled quitted signaled singled sprinkled wrinkled dwindled scribbled signalled whistled bristled limpid shriveled twinkled belittled gritted shingled silted swindled swiveled committed assisted consisted insisted convicted depicted persisted afflicted acquitted constricted subsisted grizzled crinkled existed restricted rekindled underprivileged commingled intermingled coexisted contradicted