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.
neume neum pneuma name neem nema nome numb gnome nam nim nom noma
neume eme feme femme fume heaume heme geum neum pneuma seme deme