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.
broads byroads brads braids boards breads broods burds birds bards brats bredes brides boarts bardes breeds beards birdies borates berates burdies borides hybrids barytas burritos birettas berettas bruts borts brits berrettas bourrides birrettas brutes berets britts burets bruits barites barrets barytes brights brattice burettes
roads broads byroads brads wards broods grads beards lards groats braids fords fards erodes corrades crowds cards hoards viroids triads boards sarods myriads shrouds choroids parodos chords charades lords parados tirades oreads trades prods arrowwoods sards dorados droids breads bards rotas chorioids nards marauds pards parades words sords gradus liards hydroids dreads treads toroids readds grades sarodes guards rereads hards aroids roods raids farads rads fiords rods periods rodes shards irades reads cords corrodes frauds triodes chards yards
broad bread abrade aboard byroad broody brood bready bratty berate brat braid brad borate boart board abroad