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.
guild guiled guilt gulled guilty gullied gold quilled glad quailed gled gault gleed glady cauld quilt glued glade glede could glide coiled goaled culled galled killed glutei gullet gaoled gallied killdee quelled quillet cullied quaalude clad clod cold cult glut kilt
build guild mauled mild ailed failed built boiled bield muled bailed jailed hailed heiled fauld guilt quilt mould wiled auld roiled yauld sild shield childe puled reoiled ceiled wield chield souled oiled doiled toiled toluide wauled tilde field fluid tiled mailed quailed guiled coiled filed foiled cauld nailed gild hauled veiled vailed fouled moiled miauled mouldy could would wild whiled wailed toluid tailed piled dildo child sailed ruled riled railed shauled should soiled yield
guile gul gaily gull gulley gully quill quillai quillaia guaiacol