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.
fierier firrier frier verier furrier farrier firer farriery frere furriery friar friary varier fairer farer freer furor fearer fuhrer fuehrer
aerier verier querier leerier fierier cheerier eerier beerier warier charier brier wrier derriere learier merer parrier farriery terrier wirier queerer furriery hairier firrier currier mirier courier serer quarrier tarrier jeerer eyrir charrier gorier cheerer varier airier burier hurrier burrier harrier barrier marrier moorier sorrier tearier wearier worrier briery curriery frier farrier merrier carrier prier hoarier drier crier furrier trier sheerer
faerie feirie feria feriae fiery fifer fiver fer fir