Multitask rhymes with:
adisq, ask, asterisk, autodesk, bask, basque, beske, bisque, blaske, brisk, bruske, brusque, budyonnovsk, burlesque, busk, buske, cask, chelyabinsk, cornhusk, cusk, damask, danske, debusk, delbosque, desk, disc, disk, disque, dusk, dzerzhinsk, ekofisk, elektrisk, esque, felske, fenske, fisc, fisk, fiske, flask, fratzke, frisk, friske, ganske, garske, gartzke, gasque, gatzke, gdansk, genske, geske, gieske, grotesque, haske, husk, irkutsk, jeske, kafkaesque, keske, khabarovsk, kiosk, krasnoyarsk, kuske, lask, laske, leask, leske, levesque, lisk, liske, lusk, maersk, magnitogorsk, manske, mask, maske, meske, minidisc, minsk, miske, mollusk, mosk, mosque, murmansk, musk, muske, neftegorsk, nordisk, norilsk, norsk, novosibirsk, pasch, pask, paske, pasque, picturesque, pociask, prisk, proske, rask, raske, reaganesque, reske, risc, risk, riske, roeske, romanesque, roske, rusk, sakhalinsk, senske, sisk, smolensk, statuesque, svensk, sverdlovsk, tamarisk, task, teske, tonysk, trask, tusk, unmask, vaske, videodisk, welinsk, whisk, wolske, yeske, zaske, zieske, zisk, zysk
Multitask sounds like:
maladich, maladies, maldutis, maltais, maltase, maltese, maltose, malts, maltz, maultasch, melodic, melodies, melodious, melts, meltz, miladic, mildews, miletich, militia's, militias, milledge, millets, milodic, mladic, mladic's, mlotok, molds, moltz, monolithic, monoliths, moulds, multidex, multitudes