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.
dudeen duodena deaden detain tauten detinue duotone detainee
dudeen den ridden coden poteen midden madden lateen hidden loden redeny codein hoyden hoiden hodden sodden sadden duodena wooden shodden deaden quieten ratteen deny dene potteen odeon maiden leaden laden louden redden dean deni teen teeny sudden sateen bidden fadein widen chidden hyoidean
dude duded dud duad duddie duddy duet added dueted duetted