Fallouts rhymes with:
bailouts, pullouts, sellouts, bailouts, blackouts, blowouts, breakouts, brownouts, buyouts, checkouts, cookouts, cutouts, dropouts, dugouts, eelpouts, handouts, hangouts, hereabouts, hideouts, holdouts, knockouts, layouts, lockouts, payouts, printouts, pullouts, sellouts, stakeouts, standouts, strikeouts, tryouts, turnouts, walkouts, washouts, whereabouts, workouts
Fallouts sounds like:
falotico, faulds, faults, feldhaus, feltes, felts, feltus, feltz, field's, fieldhouse, fields, fields', fildes, filets, fillets, flatheads, flats, flattish, fledge, fleet's, fleets, fleitas, floats, floods, flouts, fluids, flutes, folds, folts, foltz, foulds, fults, fultz