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.
quillais quillaias quills quells quolls quails cullis cullies killies gullies cullays queleas kills gulls culls guiles coulis callas caulis collies gallies kellies gulleys galliass coulisse galleass guls clays glass kilos gules glias cauls claws kails galls coils colas galas calls kolas class galahs glassy gallus galeas caules coalas clause classy callus koalas
quillais paellas follis gallies mullas callas lollies jellies fellahs ballies collies hollies nellies tellies fellies holloas bellies challis ollas dallies chillis woollies wallas scillas hallahs sullies cullis mollies allies dillies billies tallies bullies challas wellies rallies fellas ghillies halloas quillaias tallis hulloas hollas nullahs allays palais gillies cullays jollies mullahs malaise gullies killies challies kellies zillahs wallies challahs fillies dollies follies dellies hilloas mollahs cullies sillies villas sallies wallahs willies chillies chollas las lis
quill quillai quillaia quail quell quoll squill squilla squillae