I've taken a list of English words, and examined each of them to see what they sound like (using the PHP metaphone function). This page lists the most common metaphone codes, along with their words. You can also search for a word of your own, and see which words sound similar - and which ones rhyme, and which ones alliterate.
palter pelter plater paltry plaiter platier poulter politer pleater plotter platter plottier polluter palliator peltry polder pleader plodder poultry pellitory
alter kelter vaulter palter tilter salter molter pelter kilter philter realter jilter quilter moulter bolter halter milter coulter poulter belter jolter filter shelter falter melter colter welter blotter golder bloater philtre builder molder gilder flattery flutier polluter letter clattery plottier politer flytier muleteer clutter aulder later balder clatter glittery kultur altar glitter reletter bowlder gauleiter welder shoulder fielder wielder floater dilater sultry sluttier slittier sleetier slater saluter loiter guilder flouter flitter alder elater flutter haltere lotter philtra floatier platier elder faultier relater joltier folder plater balloter latter fleeter bolder flatter litter paltry pleater fluter liter littery clouter miltier blighter boulder blottier lottery billeter moulder bleater peltry plaiter colder blatter allotter holder platter polder cluttery realtor melder poultry maltier gelder older milder fluttery looter gloater guiltier vaultier gleetier saltier plotter siltier slatier slitter slotter solder zoolater diluter ultra violater wilder shielder yielder
paillette pallet plutei plot plateau plat pelt pealed payload pallid palliate pallette palled palate palladia palette palet paled paleate plate platy plotty spalled