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.
peined pined pained penned peened pinned pend poind paned pawned panned ponied pinite pointe punned pineta pennate pinnate pent pond pint panda pandy pinot point pinta pinto pound paint painty panada peanut pinata pointy punnet hypnoid
fined seined foined tined chained lined chined coined quoined whined dined rained ruined shined mined peined gained reined pined sained joined pained wined vined veined mooned bind baned saned phoned vanned kind caned hennaed keened beaned queened conned donned honied canoed honed coned saunaed knead fanned quinte kneed zooned phonied manned dunned deigned shindy yeaned shunned shinned shanghaied maned poind wind sinned denied weaned waned tunned toned teind owned wonned penned vaned pinned sunned panned hymned lindy binned finned tineid banned moaned coigned awned dinned feigned signed kenned viand pointe inned neoned funned fiend mind canned sned ginned hind leaned paned gowned loaned peened ennead need punned fawned jeaned monied hinnied boned tanned pawned dawned rindy weened gunned deaned hyphened ponied denned bindi reigned rind find downed tinned tuned tyned wanned whinnied windy winned chinned sheened zoned shinnied yawned yenned
pein pen pin spinny pine spine pennia pepino penny open pian pion peony pinny peon pinna piano penne penni pennae penna peen pean pain pina piney pinnae piny epinaoi opine spin spinney spiny