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.
pians pianos pins pans peans panes pinas pions pawns peins pansy pains pines paeans pinnas paeons pannes pons pinnies pawnees pens puns peons penes poons peens pones penis punas hyponoias pensee peones ponies pennis panacea pennies peonies pinnace hyponeas
pians ins linos fanes bines kaons beans banns gains vinas minis guanos beanos janes kanas foins lines ions fauns joins hanse lauans guans canso pins leans nines loans paeans nanas fanos rains pianos minas bins means vinos kines pansy ains canes inns sans kins dinos rinse tenias dans panes weans tans sinhs whins wanes winos chaines chinas cines chinos shines yawns yins taenias seines sinus ruanas sains jinns vans finos zinnias tins manes reins quoins peans manse deans manos lianes pinas moans quins zeins lions fines koines pions pines gins loins pawns lianas kanes banes mines fawns liens lawns pains vanes coins koans awns anes veins llanos sanes quinsy minus linns nans miens bans finis kinos manas fans anus cans kains cains hansa queans peins ansa jeans anas kinas lanes mans anis hyponoias pans zines tines jins ranis manus roans vines dawns hins naans mains lins fins xenias cions sins dines wains rins tansy zins manias wans tains sines whines wines scions wins chains ruins chines chins shins yeans dins yuans
pian piano pan pin pain spinny pane spine panne span pawn epinaoi pawnee pion pean pinny pein piny pine apian piney opine pinna spin pinnae spinney pina spiny