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.
polities politesse pelites platies plotties poultice ploidies pollutes poults plates plaits palliates pluteus palates piolets palettes plateaus pleiades pelts plots plats palletize palletise pelletise pelletize pallettes pleats palets platys pilots plaids pleads paillettes pallets pellets pelotas pleiads pullets pullouts plods plotz
velleities dualities realities laities nullities qualities jollities polities palliates plotties lealties halites filiates realties iolites ileitis phyllites colitis blighties foliates shelties platies ciliates elites zeolites blites tillites zloties salties flites kilties fealties pelites ploidies oolites illites velites mullites hyalites
polite polity pelite plait poult aplite poplitei split spoliate uplit