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.
polls pols pollees poles pools palls polos pulls polys polis pills poleis polios polies poilus pillows paellas puls pulleys plus pals pawls pilis pilus palsy peals pleas plews plows piles pules pales plays peels pulis pulse plies ploys peles pails palliasse paillasse pilaws policy pilose pilaus pileus palais plisse please pilous police pelisse pileous
bolls quolls rolls tolls dolls knolls lolls molls polls fools hallos cowls callas hills kolos folles filles nills moles jowls hols vills foals hellos balls boulles roils gaols failles ells hullos sells noils fills ills reoils calls aiolis dills bills kolas jells halls fillos haoles tells nolos malls sols pols cells gills souls doles tolas rills dalles tools selles dols tallis wholes fells owls wools challis chills chollas roles shells nulls shills shools yills phallus tills lulls galls dulls kohls goals sills joles gulls falls bolos walls viols tulles callus hells rouilles mulls mullas cools palls soles pools quells polis villus violas maills hollas polos mells milles koels pulls boils coils coals niellos kills gallus tailles molas bolas scillas noels solus boles howls solos hulls foils ghylls villas mills bowls ghouls hillos follis holes toles fouls ballsy poles colas voles hollos fulls moolas mools alls jellos phyllos fowls belles coles oils jills oles cullis cols wallas tuilles quills bolus bulls fellas lalls bells culls toils paellas moils pills mols talls wills tellys ollas tolus knells diols cellos wells zills dells challas polys chillis cholas rilles cholos duellos sheols shoals yells soils yowls
pollee poll pol pulley pall pallia pally pill pillow pillowy poilu polio polo poly pool pull pole apollo