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.
pallet palet pallette pullet palled pellet paillette palette paleate pleat paled palliate piolet pulled palate pealed polled pilled pallid pullout pileate pollute pelt pled plot plat palladia plead pilot puled plied platy poult plait poled piled plate pleiad plotty plutei polite polity peeled pooled pelite payload plateau
billet mullet pallet gullet ballet callet sallet quillet gallet willet cullet bullet wallet collet rillet millet pellet fillet pullet mallet let lulled fleet balled fuelled piolet gelled relet bolled muleta galleta hilled filled milled belled mulled gleet cleat called violet walled knolled leet dialled shilled shallot challot woolled willed celled palet tolled tilled dulled dolled felled boleti owlet ballot malled vialled culet reallot bluet valet galled killed bulled rolled polled culled melled nilled hallot gulled quilled bolete quelled nulled allot gilled billed fulled filet blet bleat rilled lilt jelled sleet delete pulled knelled palled hulled pilled lalled maillot lolled howlet dilled helled duelled tallit toilet welled pleat chalet chilled shelled yelled
pall pally pallia pal pillow spale pill pulley pial pollee peal pillowy pail pawl pale paella poll paly pull paleae opal palea spall