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.
delate dealate delete dilate delt dealt deled delta delude dilute delead dueled duelled toluate dolt daylit teledu duality tillite toilette
alate cholate gelate relate slate velate collate blate vallate dilate dealate gallate folate elate fellate solate delate violate late malate bullate plate chelate palate lat paleate elute mullite flute palliate filiate blat blite delete gloat ballade balata phyllite gelati cleat lite zlote gelato bleat sheltie valuate tillite pileate plait lade iolite pollute oolite illite blade eluate ciliate oleate platy volute roulade lati lute salute elite clade volte glade slatey flyte plat oeillade ballute flite hollaed float latte latu foliate bloat slat solute maleate flat galatea pelite galeate bolete pleat halite polite kiltie glute zeolite saltie dilute toluate slaty hyalite
delay del dedal ideally ideal telae tela duello duelli duel diel delly dell deli dele deil deal deadly detail