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.
piolets poults pilots pleats palets pullets pellets pallets paillettes plats polities plots pelts pollutes palettes palletise politesse pallettes pelletise pleads plates plaits platys pelites palates pleiads pelotas platies pluteus plotties plateaus pleiades ploidies pullouts palletize palliates pelletize plods plotz plaids
piolets violets lets cleats gallets bleats billets ballets leets voltes bluets holts colts molts gullets cullets muletas owlets pallets jolts boletus poults relets sallets deletes toilets willets mallets boletes callets bolts rillets sleets pleats pullets culets bullets collets filets fillets fleets valets wallets dolts volts howlets galletas blets gleets quillets millets moults mullets palets pellets chalets
piolet pileate piled pilled poled polled pooled spiled