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.
ambers ambeers amberies aimers ameers ambaris ambries amirs ambaries amerce amours amoroso amorous
ambers bombers numbers timbers chambers lambers lumbers cumbers members cambers limbers combers embers ombers umbers rammers emeers rhymers lumbars smears embars jammers immerse seemers omers fumers ambeers reamers hummers rummers mammers roomers ombres timbres shmears shammers chimeres chimaeras woomeras womeras samburs ameers homers mimers tamburs sambars hemmers cameras hammers comers humerus aimers seamers meres tamers gomers gamers rimers gammers bummers gummers simmers vomers foamers namers gambirs teemers cummers boomers summers dammers dimers timers rimmers emmers reimmerse maimers mummers gambiers hombres roamers dimmers umbras limmers wommeras mimbars chimeras chimers shimmers yammers
ambeer amber ambery aimer ambari ambary ambry ameer