Per rhymes with:
pere, pur, purr, spur, spurr, bir, birr, blur, bur, burr, chauffeur, chesshir, cofer, concur, confer, connoisseur, credeur, cur, defer, defleur, demur, der, deter, dirr, dufur, duhr, durr, entrepreneur, esquer, eure, fer, feur, fir, fleur, fluhr, francoeur, fur, furr, furrh, gurr, hur, incur, infer, inter, jerr, ker, kerr, kuhr, lafleur, lefleur, liqueur, luhr, mccur, mcgirr, monsieur, murr, myrrh, nurr, nurre, o'clair, occur, oclair, payeur, pere, prefer, pur, purr, ramseur, recur, refer, reoccur, restauranteur, restaurateur, saboteur, scher, schnur, schnurr, schreur, schur, schurr, schwer, sher, shir, shirr, shor, shur, shurr, sir, slur, spur, spurr, stir, stuhr, sur, swor, ter, thur, transfer, ur, ver, yer
Per sounds like:
paar, pair, paper, papery, papier, par, para, pare, pariah, paro, parr, parra, parrow, parry, pary, pauper, paver, payer, payeur, pear, peary, pebereau, peer, peery, peffer, peifer, peiffer, peoria, peper, pepper, pera, pere, perea, pereira, perera, pereyra, peria, pero, perra, perreira, perri, perrier, perro, perrow, perry, peru, pfarr, pfeffer, pfeifer, pfeiffer, pfeuffer, phair, phar, pharaoh, pharo, pharoah, pharr, phibro, phifer, pieper, pier, pieri, pierie, piero, pierre, pierro, pifer, piper, pipher, pirie, piro, pirro, piver, poer, poirier, poirrier, pooper, poor, poore, poorer, popper, por, pore, porr, porro, pour, power, poyer, prairie, pray, prayer, pre, pree, prew, prewar, preway, prey, preyer, pri, prier, prieur, prior, priore, priory, pro, proia, prow, pru, prue, pruer, pry, pryer, pryor, puffer, puffery, pur, pura, pure, puree, purer, puri, purr, puryear, pyper, pyre, pyro