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.
guilds guilts golds gleds glads gleeds gaults quilts gledes caulds glides glades gullets quillets killdees clads kilts clods cults gluts colds quaaludes gleets glutes glouts cultus clouds culets clades gloats cullets galoots glottis gluteus coleads keloids galiots kilties gallets collides culottes colloids galletas galateas galloots colludes gallates galliots galettes
builds guilds wilds gilds silds milds hilts pleiads velds glads salads lidos collides melds fluids guilts allods elds kilts halids caulds lids meloids holds solids welds glides hyaloids shields childes cheloids woalds toluids folds loids keloids gelds lilts lads fields quilts silts slides dildos halides moulds plaids colloids balds phylloids naleds bields sloids ballads faulds milts colds ceilidhs bolides plods gilts haloids clods elides iliads tilts molds sleds bolds gleds golds olds jilts felids solidus clads toluides tildes wealds wields wilts wolds chields chiliads sialids yields
guild guiled guilt guilty gault gulled gullet gullied quilled quillet quilt giglet giglot guglet