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.
pleiads pleiades pleads pleats plaids payloads plods plats plateaus playdays palladous pelletise palletise palliates palets plates platys plaits pellets pelotas palates piolets pallets pelites pullets pluteus platies polities pollutes ploidies plotties palettes palletize pallettes plots pelts pelletize politesse paillettes pilots poults
pleiads leads felids iliads coleads pleads pleiades deleads wealds chiliads
pleiad paleate pileate plead pleat