Boolean rhymes with:
galilean, achaean, aegean, asean, breon, cyclopean, eon, epicurean, eritrean, european, feehan, fujian, galilean, heon, ian, indo-european, jacobean, jian, keehan, korean, maccabean, mcgeean, mckeon, mckeone, meehan, mycenaean, paean, peon, plebeian, protean, rijn, shahian, sheahan, sheehan, sofian, teahan, teehan, tennessean, theon, treon, vannguyen, vian
Boolean sounds like:
babylon, babylonian, bailin, bailon, bailyn, balan, baleen, balian, balilan, balin, ballin, ballman, ballon, balloon, balm, balmy, balon, baloney, baylen, baylon, befallen, beilin, beilman, belen, belin, bellamy, bellin, bellina, bellini, bellino, bellm, bellman, bellmon, bellomo, bellomy, bellon, bellone, bellum, belluomini, belman, bielen, billion, billman, billon, biplane, blain, blaine, blame, blan, blane, blaney, blann, blaum, blayne, blayney, bleam, blehm, blenheim, blinn, bloem, blohm, blom, blome, bloom, blouin, blown, bluhm, blum, blume, boelman, bohlen, bohlin, bohlman, bohlmann, bolam, bolan, bolen, boleyn, bolin, boline, bollen, bollin, bollman, bollmann, bolon, bouillon, boullion, bowlen, bowlin, bowline, boylan, boylen, bulemia, bulen, bulimia, bulin, bullen, bullion, bullman, bulman, byline