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.
afeared afeard averred afford afraid afreet afrit avert
afeared feared afeard veered varied fared faired covered averred goffered quivered levered overed niffered referred revered cyphered severed suffered deferred wafered chaffered chivareed shivareed liveried buffered beavered louvered havered hoovered hovered coffered covaried gauffered fevered quavered laveered livered offered refereed reoffered ciphered safaried sphered syphered differed wavered chauffeured chivaried shivered