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.
augury augur agar agger aggro agora agree agria agorae aquaria
augury curry sugary roguery puggry muggur leaguer voguer vaguer jaggery gaur gory gray grey guar waggery doggery gurry guru vagary scurry rigour piggery ligure jaguar vigour jaggary kaury figure buggery beggary augur query toggery decury wiggery