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.
scales scalls socles suckles sickles sicklies suckless secalose sockless cycles skoals sculls scowls squeals cicalas zocalos squalls skilless seagulls skells skills skulls sokols siglos cyclize sequels squills squillas zoogleas
gales regales scales jacales locales kales glees miggles gals recoilless beakless bogles glues bugles eagles kayles jackals coolies coalless nickles giggles callees pickles cauls gaggles scalls pegless caules leakless faucals clues gleys macles gulleys higgles gallies cackles huckles haggles goalies keyless collies suckless joggles cycles ogles tickles macules deckles rockless niggles tackless squeals skoals waggles reglues wriggles weeklies wiggles checkless sicklies chicles zoogleas shackles decals tugless knockless coalas socles cockles legalese goalless cullies juggles killies reckless gaols coulees fogless neckless galleys coleus egoless beguiles locals jiggles buckles hookless squalls coles calesa keelless aiguilles begalls muckles kellies hackles jacals colies locules feckless vocalese goggles backless raggles recalls heckles sickles coals galeas fugles vacuoles gullies equals recoals clews vocals peakless galls kails coequals mackles aculeus googlies cookless quails calos zocalos calls luckless gules galas guggles coquilles legals jagless goals beagles knuckles eggless koalas guiles ligules boggles rocailles cicalas keckles queleas uglies nucleus decayless boucles tackles legless mickles ticals suckles sockless toggles wakeless ruckles wickless wigless cheekless skilless chuckles daggles yokeless