Fallout rhymes with:
bailout, pullout, rollout, sellout, armantrout, armentrout, bailout, beytout, blackout, blowout, bookout, breakout, brownout, burnout, buyout, checkout, cookout, cutout, dickhaut, dropout, dugout, eelpout, godbout, handout, hangout, hereabout, hideout, holdout, knockout, layout, lockout, lookout, oathout, payout, phaseout, printout, pullout, readout, rideout, ridout, rollout, roundabout, rubout, runabout, sauerkraut, sellout, shakeout, shutout, stakeout, standout, strikeout, swarthout, tagout, takeout, teachout, timeout, tryout, turnabout, turnout, walkout, washout, wiltrout, wipeout, workout
Fallout sounds like:
fabled, failed, faldo, fault, faulted, faulty, fealty, feild, feld, felda, felde, feldt, fellatio, felled, felt, felty, field, fielded, fifield, filed, filet, filled, fillet, filleted, filth, filthy, fivefold, flad, flat, flatau, flath, flathead, flato, flatt, flawed, flayed, fled, fleet, fleetwood, fleta, flett, flied, flit, float, floated, flood, flooded, flotow, flott, flotta, flout, flouted, flowed, floyd, flud, fludd, fluet, fluid, fluidity, fluitt, flute, fluty, flythe, foiled, fold, folded, foliate, follett, follette, followed, folta, fooled, fouled, fueled, fuelled, fuld, fullwood, fulwood