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.
naans nans nanas nuns nannies nonas nenes nines nancy nouns nance neons nones noons nonuse nuance knowns newness ninnies nonnews nowness nonissue
naans ansa anus canes hanse dans panes koans awns anes kains manus pansy canso lianas mains banes jeans vans ains wans llanos moans yeans chains wains deans sanes nanas fawns paeans tans lawns manes ruanas anis peans kanes pians lanes ranis mans guanos fanes manse banns vanes janes bans loans leans cans pans guans lianes fans beanos kaons pains sans hansa cains beans wanes means gains manas manos rains queans pianos kanas pawns fanos roans lauans yawns tains nans fauns anas sains dawns tansy weans yuans
naan nan nana nannie nanny inane jnana