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.
pals pails pales palls palsy pawls peals palais plus pols puls paellas pilus poles polos pleas piles polys pilis peles ploys pules pools pulis polls peels plows plews pulse polis pills plies pulls plays palliasse paillasse pilaws pileus please pilous polios palace poilus poleis plisse pilaus pilose polies palazzi palazzo pelisse pileous pillows pollees pulleys place plaza
aals heals shoals wheals teals dials dals seals rials peals pals meals goals gals coals jouals vials als veals phials foals bals baals reals sals zeals deals duals weals sheals sials
pal pale palea paleae pall pallia pally paly