Letters rhymes with:
betters, bettors, debtor's, debtors, debtors', etters, fetters, getters, pipetters, setters, sweaters
Letters sounds like:
ladders, laterza, lathers, lathouris, latter's, leader's, leaders, leaders', leadwork, leathers, leatrice, lehder's, lethargic, lethargy, literacy, liters, litters, liturgy, loaders, lodwrick, looters, lotteries, lueders