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.
dens dense denes deans denies dienes dons tens dins duns dans dueness duennas teens donas donsy dinos dynes dunes dawns downs tense dines teensy donnas tenues donsie tenuis donees danios tenias tennis dunness tenuous tennies donnees taenias tons tuns dinghies tans deionize tins dance dunce tains tansy tines tones tonus toons towns tunas tunes tynes
bens kens sheens wheens weens teens wrens fens hyphens hens gens keens ens lens queens liens hymens miens peens pens rouens dens tens wens whens yens