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.
kanas kaons koans kinas kanes kains kinase cannas guanays cans kins guanase goannas kens kines guans keens cains canso gains kinos kenos canes kanzu canoes guanos koines queans gainsay gayness guineas quinoas keenness cons guns
anas kanas lianas ruanas nanas manas goannas lanais guanays veenas fans leans kanes faenas fanos manus guanos lianes nays mans banns fanes canso janes saunas fauns sans gnaws punas lawns awns ranis bunas pawns kains guans pianos cannas kinase cans hyenas yeans xenias zinnias dawns donas duennas tains siennas tansy unais wains wans whenas chinas tineas scenas pinas quinoas means roans guineas kinas sains manse sunnahs pans vanes minas nans fawns hansa monas vinas lanes anoas pians hennas manos peans anus rains mynahs manias pinnas pains sanes pansy mannas gains guanase queans lauans beanos canes cains jeans beans genoas lunas banes loans koans naos anis hanse anes llanos ansa hyponeas annas bans naans rennase ains mains manes snaws mynas kaons panes nonas paeans moans vans faunas hyaenas taenias yawns sunnas zanza dans deans donnas sennas tenias tans tunas unaus wanes weans chains yuans
kana kain kane kaon kina koan kuna