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.
wearier warier wearer wirier warrior worrier wirer woorari
varier hoarier warier wearier charier tearier learier barer barrier sorrier airier farriery curriery furriery career fierier verier roarer searer frier crier fearer tarrier burrier parer shearer cheerier quarrier marrer merrier moorier prairie bearer airer rarer soarer darer derriere burier briery beerier carrier mirier querier parrier worrier brier hurrier prier terrier dearer gorier marrier nearer hearer leerier farrier fairer drier wirier trier aerier wrier rearer currier courier carer harrier wearer hairier farer firrier furrier eerier tearer charrier sharer yarer