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.
tansy tans tains teensy tauons tawnies tins tannoys tawneys tons tuns taenias dans tens towns donsy tunes deans teens tense tonus dawns tines tynes tunas tones toons tenuis tenias tenues tonnes danios tineas tennis tenuous toonies tennies townees tunnies townies tonneaus dens dins dons duns
pansy tansy fauns pawns banes cains dans tains lauans vanes rains moans gains kains mains llanos beans manes nanas quinsy leans nosy hansa fanes guanos bans canso yeans roans chancy weensy mans wans wains sains uneasy sans nans pains pianos cans manus fanos pans koans deans lianes fancy kanes lawns janes jeans canes nancy manas anas dawns kanas queans kaons anis naans anes ansa ains anus beanos hanse awns fawns lianas gainsay lanes ranis vans guans paeans linsey sanes manos loans panes pians manse banns sonsy peans means tans teensy fans unsay wanes ruanas weans chains donsy yawns yuans
tan taenia taeniae tain tannoy tawney tawny stane