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.
dore dor doer dour door dorr drew tore dere dory dree dare dure dire dowry doura hydrae dearie durrie dourah tor dry hydriae dray dura tree tory tire true doughier tare deer torr tora draw toro duro tori tyre tour trey dear durr deary dairy deair torii torah hydro durra diary derry tarre deray hydra
bore fore shore wore whore tore dore sore pore ore more lore kore gore core chore yore re or