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.
coeds cods cotes codas codes cooties coatees cuds cads gods codeias cots cates cadis coots goods cades cutes caids quods gowds coats goads coitus cuteys caddis cuties cutesy cottas quotes coatis koodoos cuddies kiddoes cutties goodies keddahs catties cutesie caddies goatees goddess cats cuts gads kids
coeds eds ods meds ouds gowds loads geodes modes votes loids does cods feeds edhs vetoes teds peds weds dadoes quods diodes cedes codes sods redos feuds rodes leads yodhs shotes woads tods dodos deeds zeds seeds roods reeds redes poets feods gods woodsy reads heeds hoods codas foods motes kneads nodes nodus odas odes modus cotes bodes aedes hods eddoes geds heads bods goods pedes pods quotes meads kiddoes feds toeas goads odds voids toes beads nods geoids leuds redoes poods beds lodes meeds moods rotes rods ghettoes cedis notes suedes reds mottoes mods roads redds didoes needs dotes sodas toads totes zooids weeds woods deads sheds hyoids dodoes yods
coed cod coda code codeia cooed cooeed cote coteau coude cued coequate coked