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.
silt silty slat slit slut salt sild slot slate sleet slaty sault salty sailed saltie slatey soiled siloed sallet slitty solate slutty salute sleety solute ciliate sellout sled sold celt slid salad sloid sloyd slued soldi soldo soled solid slide zlote zloty
built hilt gilt jilt guilt kilt quilt lilt milt silt tilt wilt