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.
caulis cauls cullis caules coulis cullies coals culls calos calls coulisse coalas callus callas colies calesa clause gullies coulees callees collies coolies goalies callous gallies cullays callose guls cols gals galliass coalesce coalless galas gulls colas clews clues cloys gales kales gules glias kails clays class galls claws coles close gaols cools cowls coils goals classy koalas quills coleus quells galeas quails gallus quolls galahs kayles guiles gallous gallows gulleys kellies killies colossi galleys colessee galleass goalless quillais
coulis caulis pulis lis caules cauls pules pilis gallies jouals bellies miauls lulls jellies hollies bialis hulls belies poleis sallies guls ghoulies valise follies bialies boules killies helios aaliis flies mauls fouls collies ballies allies nellies billies polios fulls chillis shuls chilis challis doylies woollies willies wellies doilies dulls dellies ulus tellies dahlias tallies wallies duels fellies gullies doolies olios lilies rules mollies dallies pulls mules sulus goalies sillies sulci realise pulse puls cullis gulls culls polies leis muhlies coolies palais nulls polis colies cullies joules bailies glias fillies ceilis follis lies hauls gillies hulas mulls buhls louies ghillies bullies aiolis louis folios holies quillais lulus kellies gules lollies dailies bliss dollies plies alias relies bulls fuels duals mealies sullies jollies sauls souls rallies molies walies ghouls wheelies chillies shauls chilies challies doulas woolies wauls dulse dillies dulias delis tules tallis sylis yules
caul coaly scaly scale oculi aculei cully cullay cull coulee coala call coal calo callow callee calla scall scull