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.
derriere terrier drier dearer tarrier tearier trier terror terraria darer direr drear dourer dreary
derriere burrier furrier briery burier brier learier mirier marrier parrier curriery quarrier crier sorrier drier carrier tearier hoarier trier varier wearier hairier worrier barrier charrier beerier wrier eerier prier frier farriery farrier fierier querier merrier leerier moorier currier gorier courier airier aerier hurrier tarrier harrier terrier furriery warier verier wirier frere charier firrier cheerier