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.
nanas nans naans nonas nuns nannies neons noons nancy nouns nenes nance nines nones nonuse nuance knowns newness ninnies nonnews nowness nonissue
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
nana nan naan nannie nanny banana inane jnana manana zanana