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.
saddlery saddler sidler staler stealer styler sutler settler stiller steelier stillier stelar stylar
peddlery saddlery pedlery cuddler huddler dawdler godlier paddler muddler fiddler cuddlier boodler idler peddler riddler coddler diddler tiddler waddler yodeler ladler loudlier cutlery saddler toddler middler pedlary deadlier sidler puddler meddler doodler puddlier wheedler goodlier piddler pedler butlery pedaler needler modeler yodler