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.
femora femur fimbria fumer foamer fumier foamier
mora remora femora mor more woomera memory womera mara tumour moira tamboura moor rumour morae amour moray memoir rumor mura samara humor tumor humour umbra camera wommera camorra chimera