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.
stolen stollen stolon stelene setline stallion sideline
stolen tolan butylene eidolon luteolin stelene stollen stolon daedalean
stole stele styli stale stall stela stelae stelai sotol stile stella still stilly stool stoolie stull style istle