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.
scilla sill silly cella cilia zillah cellae slay sell cell sola zill slaw sall silo ceil soil sail selah selle sully ceili sally celli cello sallow sallowy cel sal sel sly sol
villa scilla ill fila sill hallah nill fella fill hillo gill viola filly tuille bulla willy hilly fille dill vill fellah villae mulla shill cholla challah wallah taille zill cullay quill maill mill mollah chilli hila fillo pallia pilaw pill rille cella cilia olla holloa jill billy halloa hilloa villi calla ilia bullae quillai voila rouille bill faille kill milia hulloa ilea cellae zillah holla illy silly hill pilau allay mullah nullah rill mille pilea paella till gilly will mouille challa chill dilly chilly sheila walla yill