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.
froes fores frees fries faros feres frows fares fires froze furies frowsy faeries foresaw fairies furioso firs ferrous ferries farrows furious furs furrows foresee ferreous gheraoes frass furze fairs fears frise frays farce fiars vires vrows fours force frieze vrouws vireos varies freeze frisee pharos feuars ferias forays frouzy farcie fraise frowzy fierce phoresy various veeries gharries pharaohs friz vars
froes heroes roes zeroes res morrows broos furies crews lorries fares cores rosy perries haeres aureus grues gores parous barres hirees kyries guiros marrows rows bros arrows rees rose harrows proas barrios heiress ferrous brees biros gyros faros prosy morose hurries goers reis feres kauries murres cares aurous gross byres gharries morros paries ferries caries veeries brose prees bourrees roues kouros ceres fores crows herries bares eyries ares vireos brows fries frows heres quires sorrows cress serows wares seres purees pares tares ores chores dearies trees giros trios diaries chares trues dairies treys tyros yarrows shires shares chirres serosa trows shores torose narrows duros cheerios whereas whores wooers tress tories dures corries phoresy gyrose tarres terries vrows cures carries drees euros dories barrows rerose cirrose wherries tiros murreys praos farrows pharos presa hydros kerries sores greys cerous curios croze sirees surreys froze burrows bores cherries meres hares duress karroos vires caress mires areas pores harries cross peeress sauries nares cires zeros dress jerries arose soirees kaross rares murries peres frees pyros porous hires sires mores grees dowries bries pyres saros borrows serries rues boreas eyres lures furrows cooers aeries fires proso buries gyres brios press heresy lares moires karoos lories curies juries parries peeries sarees porose quaeres gurries sirrees lores marries grows berries queries eros dries pries erose heros burros pros larees prese ceros tores braes pross tires serous fairies faeries brosy cereus tarries pareos gheraoes mures brews curries varies cirrous derries hoers aures wries ires lyres hydrous cries nereis trois cowries series zaires dross chiros seeress preys toros torous trews wearies tyres prose tries dares durries taros troys whirries tres wires mares quarries ureas doers wheres cheeros prows shoers sherries pareus worries charros choreas churros shrews yores
froe fro fare faro fere fire fore frae free frow rover