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.
violator violater valuator fellator filature filter vaulter philtre philter floater flatter vulture flattery floatier falter fluter folder
violator delator dilator chelator fellator relator collator dilutor valuator slater dilater later elater plater palliator aleatory zoolatry violater relater dilatory realtor zoolater