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.
knoller kneeler nailer
holler knoller poller loller toller roller giller baller luller killer fouler pooler fuller raillery hiller iller cooler duller bowler dallier boiler jollier millier heller oiler toiler yeller shellier cholera chillier woollier wooler tooler teller moiler dollar taller fullery feller siller sallier rallier muller miller bullier holier poler hellery pallier dialler coaler tailleur biller culler caller collier volery howler foolery huller coiler faller hillier gaoler gallery filler dueller queller helleri seller sillier bolero fueller tallier puller fowler tiller collar willer woolier chiller choler sheller shoaler yowler