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.
politer plaiter poulter polluter plater polder palter pelter pleater plotter platter platier poultry plottier palliator pellitory paltry peltry pleader plodder
liter politer miltier vaultier halter melter glitter kelter balloter loiter alter philter litter litre later violater molter gauleiter moulter joltier pelter jilter plater polluter realter salter saluter slater slitter solider dilater tilter wieldier colter quilter flitter palter filter fluter falter elater faultier guiltier maltier glider kilter billeter coulter milter moldier collider jolter mouldier haltere plaiter vaulter bolter belter poulter relater saltier siltier slider soldier zoolater diluter welter shelter
polite polity pelite plait poult aplite poplitei split spoliate uplit