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.
tauons tuns tans tons towns toons tonus tains tones tansy tunes tonnes tawneys tunnies townies tenuous townees taenias tawnies toonies tannoys dons tins tens duns dans tonneaus dawns tense teens donsy tines tynes dunes donas tunas downs deans donnas teensy tennis tenues tenias tenuis tineas danios donees donsie donnees dueness dunness tennies
tauons muons uns ons coons cones lunas hones johns owns peones loans huns fons loons sones funs tunas cons bonus munis monas tons conns phones lunes quoins eons pons gowns nones pions yonis zoons wons phonos tuns tenuous punas duns scions downs dons fauns jones suns leones toons sonsy faunas nouns hysons fohns ruins runs neons roans bunas mons bunns pones goons aeons lauans kaons onos hons moons noons quins cions peons phons bones lions boons monos sinuous coins guans dunes joins nuns onus foins ones muns conus runes rouens nonas paeons knowns poons buns koans ions tunes puns loins donas donsy saunas guns tones sons tonus towns sunns moans zones shuns yuans