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.
business busyness bossiness baseness bassness biasness basins booziness bizones bisons bosons bioscience besnows bosuns
bossiness ooziness iciness gauziness fussiness sauciness messiness wheeziness queasiness easiness business laziness cheesiness siziness coziness noisiness foziness muzziness cosiness jazziness maziness rosiness dizziness gassiness laciness raciness newsiness sissiness doziness mossiness nosiness mousiness fuzziness massiness juiciness booziness mussiness lousiness sassiness wooziness haziness piousness sines sinews cassines sissyness fascines oscines azines sozines eosines choiceness niceness diazines biasness cuisines bassness looseness zines leucines busyness seines cines cosines baseness lysines wiseness puisnes hyoscines