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.
tarn turn darn tern torn taurine treen trone terne trine train turion triune tranny tureen triene trainee tourney terrain terrine terrene terreen terrane tyranny durn drain drawn drone drown trona
barn earn carn karn learn reearn darn tarn warn sharn yarn yearn