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.
placed palaced placet placid pleased policed pulsed pulsate palsied pellucid pulicide palisade palest paliest palliest playsuit poolside
laced solaced belaced relaced placed palaced glazed talced leased sluiced glaceed released lased policed placid lazed blazed fleeced placet sliced pleased coalesced chaliced
place palace palais palazzi palazzo pilaus pilaws plaice plays plaza pleas please splays