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.
reeds reds reads redes redos redds readds redias reties redoes rids rods rets rads readies rotes roods roads rodes raids rites rates rides rudds rodeos routes rottes radius reatas radios reduce retuse writes roadeos roadies rowdies rats rots ruts
heeds weeds feeds seeds meeds deeds needs reeds eds cetes meads aedes geds suedes suttees coeds fetes reds redes leets zeds keets metes jetes meets reads kneads edhs deads tutees beads sheds cedis pedes puttees redds meds dees peds goatees cedes feuds leads bootees beets deets beds feds leuds heads settees redos coatees tees feods teds weets weds sheets
reedy reed red uredia dreed preed greedy creed cred freed read readd ready redd rede redia rediae ired rete credo rued greed bred greet brede reread breed treed redo uredo