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.
quaeres queries quarries quires queers queuers cares guars cures caress caries curies carries gurries kauries curries kerries gars curs cars gaurs kiers currs gurus greys cries carrs goers grues crews cress kurus gores grees cores keirs cressy grease creese curios cooers guiros creasy kaross kauris greasy kersey kouros kyries crease karoos coerce corries cowries cuirass curious karroos kerrias
haeres quaeres ares seeress caress heroes barres aeries pares paries rares cereus nereis series zeroes meres heresy dearies lares tares peeries wares queries whereas caries chares bares cares hares zaires sarees heres aures fares eyres pareos pareus peres ceres nares feres seres mares faeries dares larees diaries peeress tarres areas wearies veeries wheres varies shares res ars ers
quaere quare quarry queer query aquaria equerry quaker square