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.
hymenial hymenal hymeneal hymnal menial hymeneally menially manila manual meanly manilla manille moonily manually
genial denial venial xenial menial penial hymenial penal tenail lienal renal biennial hymenal hymeneal penile finial senile veinal venal renail toenail nil
hymen hymenia hymn cymene yamen men