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.
ebbet ebbed
gibbet gobbet rabbet ebbet bet abet lobbed beta gobbed mobbed gabbed gibbed nabbed jibbed fobbed nibbed beet ebbed sabbat sobbed subbed dabbed dubbed tubbed abbot rabbit bibbed jobbed fubbed hobbed hobbit howbeit jabbed bobbed robbed beat cabbed fibbed knobbed ribbed rubbed sabbed sobeit zibet dibbed tabbed webbed