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.
roadies rowdies readies roadeos rodes roads radios rodeos radius rads rods rotes roods rotas rites reads rates redes rides raids rotis raitas writes reties redias readds rottes redoes routes rots rids reds rats rets roots ratos reeds rotos riots redos redds routs rudds writs reatas reduce retuse riatas riotous
ladies wadies toadies roadies readies dies beedies buddies boodies aedes eddies biddies caddies bodies laddies neddies kiddies goodies tidies cades dowdies roadeos foodies dites waddies daddies sadis rowdies radius hoodies padis giddies nudies adios gaddis didies shades widdies wadis toddies diets naiades lades kadis cuddies aides gadis hades jades caddis howdies adieus paddies wades middies cadis doodies baddies woodies muddies dadoes soddies sades fades qadis fuddies gaudies radios todies noddies teddies bawdies shoddies dis ads
roadie road radii radio roadeo broad rad rod