Launderer rhymes with:
hinderer, rinderer, slanderer, wanderer, ederer, embroiderer, federer, ferderer, hinderer, lederer, murderer, niederer, pfleiderer, riederer, rinderer, roederer, scheiderer, schwaderer, slanderer, wanderer
Launderer sounds like:
landauer, lander, landor, landrieu, landry, landwehr, lanter, lanthier, lantry, launder, laundry, leander, leandro, lemaitre, lender, lindauer, linder, lonetree, lunder