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.
parse pars parrs paras paris prise prese purse prase pairs pears pares prose perse paries porose peruse pareos parous praise pareus pursue pariahs prossie purs prez pros parries proas preys priss prize prees praos puris peres praus pyres proso price peris piers pours pores pries pross press pursy purrs peers prays prows prosy pyros purees pooris porous pricey pierce hypers prissy peeress peeries perries
arse parse carse hearse marse hoarse coarse ars bares wrasse maras pars crease burse fraise rose grease curse ares fears brose gnars rase faros fiars phrase corse jars paras morose varas carrs birse morse knars paris mars farce druse hoars guars mares vars ruse urease sears souaris deairs tahrs wairs ceruse terse wars torse worse charas roars charrs saris shares tiaras pursue taros fairs rerise knaurs hairs nears erase haars prese gars tarsi braise maars nares horse liars pears peruse lairs gyrose vairs arise gorse parrs cares verse gyrase lars naris cruse mairs frise rears dears praise boars bears kersey lears airs bourse laris course cars arose feuars pharos hares fares hears erose varus gears ears prose gnarrs oars urase jersey prise bars gaurs pairs horsey bursae prase tars rise rares pares nurse porose lares perse raise reraise tares saros wares soars dares hydrase ursae cerise tears torose purse wears chairs rerose chares cirrose chars shears years
par pair para parae pare pareo pareu pariah parr parry pear spar spare sparrow sparry