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.
brats berates borates bruts brits borts brads broads boarts breads bruits braids britts berets brutes burets barytes barytas byroads barites brights barrets burettes brattice birettas burritos berettas burds bortz bards birds berrettas barrettes birrettas bredes beards breeds bardes boards brides broods birdies borides burdies hybrids bourrides
rats frats carats prats derats karats brats jurats korats drats rets curates farads garrets brads borts gyrates boarts merits hurts barrets crits fortes quartes forts virtus farts grads ports ratos curtsy gratis ferrets orates writs krauts parrots crates carrots arts seriates shorts cherts worts whorts urates trots treats torts tortas terrets tarots reatas courts deaerates sorts hearts marts cerates berets grits pierrots verts erratas lariats morts rates girts narrates aortas ferrates frits harts cartes nerts greats phorates laureates carets pirates ruts brits groats carates karates carts quirts dirts variates vertus karts burets derates kurtas airts frets creates artsy borates bruts quarts parts rots certes muriates kraits rads riatas grots fortis quartos orts grates berates prates curets aerates serrates purdas darts hydrates tarts territs tortes traits trets turrets warts worrits charts shirts yurts
brat bratty berate borate bort borty brad braid bread bready brit britt broad brut brute abrade