Dzhambul rhymes with:
boole, boule, istanbul, abdul, apostolopoul, baiul, bellefeuille, boole, boule, bruehl, brule, buehl, buel, buhl, cool, coole, drogoul, drool, duell, dule, fool, ghoul, gurule, home-school, hoole, istanbul, joule, juel, jule, kool, kreul, luelle, makhoul, mccool, misrule, muehl, mule, nepool, o'toole, pool, poole, poul, preschool, rahul, rantoul, raoul, retool, reul, reule, rhule, ruel, ruhul, rule, school, schuele, spool, sproule, sproull, spruell, spruiell, spruill, stool, supercool, tool, toole, tuel, tuell, tuyle, uncool, vipul, who'll, you'll, yuill, yuille, yule