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.
rest wrest resat reest reset resit wriest reseat resite rust resod roast rusty resid roust roset wrist recit roost reseda reside russet recite reused reseed resaid wristy roseate residua russety residue risotto rosette reissued raced rased razed riced rosed
best gooiest chest weest doughiest zooiest wriest vest hest geest gest jest fest quest guest lest nest pest reest rest wrest zest doest test west shiest
res resaw resay reseau resee resew resow