Stupor rhymes with:
stupar, stupar, blooper, cooper, duper, grouper, hooper, kuiper, kuper, kupor, looper, luper, pooper, scooper, stupar, super, trooper
Stupor sounds like:
sedberry, sidebar, staffer, staffieri, stauber, stauffer, staver, stayover, steber, steeber, steeper, steever, stepper, steuber, steuver, stever, stieber, stiffer, stiver, stober, stoeber, stoever, stofer, stoffer, stoiber, stopher, stopover, stopper, stouffer, stover, stpierre, stuber, stueber, stuffer, stupar, stuver, st_pierre, sudberry, sudbury