Leader's rhymes with:
leaders, leaders', birdfeeder's, birdfeeders, breeders, breeders', cedars, feeders, leaders, leaders', meaders, meadors, reader's, readers, readers', reeders, reiders, reiders', rieders, rieders', speeders
Leader's sounds like:
ladders, laterza, lathers, lathouris, latter's, leaders, leaders', leadwork, leathers, leatrice, lehder's, lethargic, lethargy, letters, literacy, liters, litters, liturgy, loaders, lodwrick, looters, lotteries, lueders