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.
farcie farci farce faeries fairies force frise fares fries farcy frieze fierce varies furies fraise frisee ferries friz pharisee gharries furze feres fores frees fears froze fairs faros fires fiars frizz froes freeze feuars varias frizzy farrows foresee furioso furious gharris various veeries ferreous
farcie corries curies paries tierce eyries varies fries dories pries queries farce hurries faeries juries prize harries grace kyries buries furies pierce lorries kauries tries cherries wearies trace terrace dries derries peeries farci bries fierce whirries tarries dairies fairies cerci carries sauries cries serries murries aeries berries kerries orrice gharries brace quarries gurries herries rerise caries wries jerries lories cowries prise dowries frise veeries arise tories parries curries price rice marries force source croci series coerce cerise rise dearies terce worries race truce ferries perries diaries durries terries trice wherries sherries
far faerie faery fair fairy fare faro farrow fear fiar afar