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.
palms plums palliums plumbs plumes plumose plumbous plumbeous polemize
alms calms qualms realms malms balms palms halms gloams haulms celoms phellems halmas kelims almas glums golems holms claims blams blames calamus fleams flames filmis lums kilims almes culms fullams kalams glams gleams films shaloms clams slams alamos loams glims helms xylems vellums coeloms plums ylems flams elms lamas salamis slums ulamas chillums lambs lames lams llamas gloms salaams salmis slims solums dolmas whelms chlamys alums sholoms
palm palmy pallium plum plumb plume plummy plumy