Launderers rhymes with:
wanderers, embroiderers, murderer's, murderers, wanderers, acquirer's, acquirers, adulterers, adventurers, batterers, caterers, conqueror's, conquerors, deliverers, embroiderers, emperor's, emperors, gatherers, laborers, lecturers, manufacturer's, manufacturers, manufacturers', murderer's, murderers, nurturers, offerers, sorcerers, sufferers, tinkerers, torturers, treasurer's, treasurers, wanderers
Launderers sounds like:
landeros, landers, landress, landrus, landry's, launders, laundries, lender's, lenders, lenders', linters