Here's what rhymes with sourpussed.
accursed accurst Words that almost rhyme with sourpussed
pushed bushed hoofed woofed put booked looked foot cooked hooked soot bulked yurt mooched afoot wouldst caput couldst wolfed overbooked smooched webfoot overlooked occiput clubfoot unhooked overcooked precooked recooked underfoot crowfoot pussyfoot splayfoot congruent tenderfoot