Kaboom rhymes with:
boom, abloom, assume, bloom, blum, blume, boom, broom, broome, consume, costume, croom, crume, deblum, doom, entomb, exhume, flume, fume, gloom, groom, groome, hume, khartoum, kume, laplume, legroom, loom, maktoum, mcbroom, perfume, plume, presume, reassume, reaume, resume, rheaume, room, roome, suhm, tomb, vroom, whom, womb, zoom
Kaboom sounds like:
kabbani, kapaun, kasabian, kassebaum, kauffman, kauffmann, kaufman, kaufmann, kavan, kaveney, kayvon, keaveney, keaveny, kevan, keven, kevin, kievan, koeppen, koffman, koopman, koopmann, koppen, koven, kuban, kubena, kubin, kuvin, kvam, kvamme