Alum rhymes with:
allum, callum, hallam, hallum, kallam, maccallum, mccallum, absalom, absolom, allum, anklam, antebellum, arunachalam, asylum, bedlam, bellum, bensalem, bolam, callum, collom, collum, colomb, column, cullom, cullum, curriculum, diverticulum, elam, emblem, exemplum, felim, flagellum, frenulum, fullam, gastilum, gillam, gillum, goldblum, golem, gollum, golomb, hallam, hallum, harlem, haslam, hollom, holum, hoodlum, hullum, jaglom, jerusalem, kallam, kellam, kellum, killam, kornblum, lindblom, ludlam, ludlum, maccallum, macklem, mahlum, mccallum, mccollam, mccollom, mccollum, mccullum, melhem, milam, milem, milum, moslem, muslim, pablum, pelham, pellum, pendulum, phylum, problem, pullam, pullum, salem, sholem, slalom, solemn, solum, tantalum, ullom, venalum, willam, willem, wollam, woolum, zelem
Alum sounds like:
ahlen, ahlin, ahlman, aileen, alaimo, alain, alaine, alam, alamein, alamo, alan, alana, alane, alann, alanna, alayne, aleen, alem, aleman, alena, alene, alenia, alewine, aliano, alien, alihan, alima, alimony, alina, aline, allain, allan, alleman, allen, allene, alleyne, allin, allman, allmon, allum, allyn, alm, alma, alman, almay, almo, almon, almy, alon, alone, aloni, alumina, aluminio, aluminium, aluminum, alumna, alumnae, alumni, alun, alwin, alwine, alwyn, aulana, aylwin