Keidanren rhymes with:
canron, canron, conran, aaron, ahren, akron, alaron, albarran, amiran, apron, aran, aren, aron, audran, austron, baron, barren, barron, beltran, beran, beron, bertran, betakeren, biron, bohren, boren, bowron, brethren, buitron, buran, buren, byron, cambron, canron, capron, carron, catron, caughron, cauldron, chadron, charen, charon, charren, charron, chevron, children, chiron, chyron, cintron, citron, claran, claren, cochran, cochrane, cockran, cohron, coltrane, condron, conran, coren, corkran, cothran, cothron, coughran, cyran, daffron, damron, darren, datron, deren, doctrine, doren, doron, duren, duriron, duron, dyatron, dynalectron, ebron, ecuadoran, effron, efron, ehren, elron, ephron, evren, excedrin, fabron, faron, farran, farren, farron, fearon, ferran, ferren, ferron, fibrin, floren, foran, foreign, gagarin, garren, garron, gaughran, gawron, gearan, gendron, geran, geren, geron, giren, giron, goran, goren, gorin, grandchildren, haran, haren, harren, harron, havran, havron, hearon, hearron, hebron, heeren, heffron, heilbrun, hendron, heron, herren, herron, hildebran, honduran, horan, horen, hydron, intron, kamran, karan, karen, karon, karren, keeran, kemron, ketron, kieran, kindran, kobren, kofron, koren, kyron, lampron, lauren, lebaron, lebarron, lebron, lebrun, leckrone, loren, loughran, maclaren, madron, manwarren, marohn, marren, marron, matron, mccaghren, mccarran, mccarren, mccarron, mcclaran, mcclaren, mcfarren, mcferran, mcferren, mcferrin, mcferron, mclaren, mclaurin, mclerran, mcmoran, mcmorran, mcpheron, mehran, mirren, montenegran, moren, morren, mulheren, myhren, myren, myron, narron, negron, nerone, nerren, noren, norgren, o'herron, octahedron, oherron, omron, oren, orren, padron, patron, pentron, perren, perron, philodendron, pickron, polyhedron, pyron, quotron, ravindran, rhododendron, rostron, saffran, saffron, safran, salvadoran, sathyavagiswaran, schieren, schoolchildren, semegran, shafran, sharon, sharron, shearon, sheeran, sherron, shirin, siren, siron, sjogren, skowron, sovereign, sovran, squadron, staron, stepchildren, subsaharan, sumatran, suren, susteren, sybron, syron, szafran, tabron, teran, tetrahedron, theron, thoren, toren, vanburen, vancuren, vandoren, vankeuren, vankuren, vanvooren, vanwieren, veron, vestron, viren, vonbehren, vorndran, wahlgren, waldren, waldron, walgren, wallgren, waren, warren, wiltron, yaron, zairean, zehren, zoran, zumbrun