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.
falsie false floosie flossie falls valse fails foals flies valise filose fillies failles fellies fallows foliose follies floozie flus fils vales flues flaws vials filos fowls flees fells fleas feels fulls files fleys floss flows flews fuels fouls veals fills vails fools floes foils flays foleys values folles fleecy follis filles folios flossy floosy phials fleece fillos fellas folious feeless follows phallus fallacy valleys felloes fellows fellahs villose ghillies ghoulies
falsie kellies wheelies pilose colies molies doylies lyse follies filose dalasi valse jellies allies lice lose holies pulse ghoulies coolies goalies bailies lase fellies lilies tellies chilies woolies wallies dulse dollies dellies xylose muhlies false chalice floosie malice dillies slice lies realise gillies relies callose sallies gallies police gullies jalousie belies glassie collies ghillies polies villose billies bullies bellies valise lassie dailies fillies flossie bialies doolies mealies close nellies wellies ballies killies plies lollies cullies cilice jollies realize hollies rallies blase sillies dialyse flies tallies woollies else mollies sullies dallies doilies dualize walies willies challies chillies
fail faille fall fallow feal foal