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.
wielder wieldier welder wilder welldoer weldor welter
elder gelder melder wielder yielder fielder shielder welder pelter balder soldier shoulder polder bolder mouldier bouldery boulder milder aulder holder gilder sledder colluder bowlder caldera builder bleeder belter folder blader weldor deluder slider shelter coleader welter kelter alder glider pleader lader melter molder eluder wieldier older collider killdeer guilder leader solider lewder colder lieder moulder golder welldoer solder wilder moldier
wield wieldy weld wild weald wiled