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.
pressed prissed prised pursed preset parsed prosed perused preside pursued praised precede proceed prest presidia presidio prussiate praesidia presto priest prized priced purest pierced poorest prosody prost prosit purist peracid prostie pursuit
caressed dressed pressed tressed harassed trussed greased grassed cuirassed crossed cresset reseed brassed versed reseda reissued prissed creased grossed reused chorussed
press pares peres pores prees presa prese preys pries priss prissy pross prossie pyres apres