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.
chimeres chimers chimeras chimaeras chimars chambers shimmers shmears shammers chambrays
meres chimeres mures hummers lemures vomers daymares reamers commerce amberies mires immures cambers chambers rhymers gummers limmers ambers hemmers foamers mares umbers homers namers simmers emeries shmears shammers gammers boomers timbres dimmers summers ombers teemers seamers omers members wommeras maimers mores rimmers combers roomers cummers mummeries mimers emmers rammers limbers gomers humerus reimmerse jammers lambers immerse comers lumbers cumbers dammers fumers hombres bombers timers bemires aimers hammers amerce rummers embers mummers woomeras cameras rimers bummers seemers gamers mammers ombres ameers roamers smears numbers dimers timbers womeras chimeras tamers chimers emeers shimmers yammers
chimer chimera chimere chimaera chimar schmear schmeer