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.
acnes agones akenes agonies agons agnize agonise agonize
acnes agones gawkiness gayness doggones lagunes hokeyness kookiness skeanes goonies bagginess koines cocaines eucaines legginess gooneys kanes guineas bugginess luckiness beguines ickiness jokiness keenness akenes bigness weakness shakiness cheekiness toucans deacons skewness sickness recons pokiness quickness icons canes chicness squinnies scans pickiness gunnies meekness eikones neocons vagueness pawkiness cockneys racons recanes bogginess coignes cakiness icones beignes macons bygones coneys cans cons likeness fogginess gooeyness agonies beacons conies skenes quakiness hokiness leakiness tackiness canoes kokanees kines cockiness bacons coyness pecans hackneys packness equines mugginess cones pigginess scones deaconess shagginess geekiness chaconnes lacunes pugginess rockiness signees sogginess decanes wackiness chicanes yuckiness