Fizzles rhymes with:
chisels, appraisals, chisels, counterproposals, diesels, disposals, embezzles, etzel's, guzzles, measles, muzzles, nozzles, pretzels, proposal's, proposals, puzzles, refusals, reprisals, weasels
Fizzles sounds like:
faceless, facials, feckless, ficials, fossilize, fossils, foxholes, fuklah's, fuselage, fuselages