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.
paltry peltry palter poultry pellitory pelter plater palliator pleater plotter platier plaiter politer poulter platter plottier polluter polder pleader plodder
paltry sultry peltry poultry toiletry alter zealotry realtor cluttery colter melter kultur kelter coulter jolter milter welter belter quilter altar bolter flattery moulter pelter realter salter solitary dilatory falter poulter aleatory salutary zoolatry glittery molter palter fluttery clattery vaulter halter philtra ultra jilter tilter philter kilter pellitory military filter lottery philtre helotry littery shelter
paillette pallet plutei plot plateau plat pelt pealed payload pallid palliate pallette palled palate palladia palette palet paled paleate plate platy plotty spalled