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.
fueler fueller feller fuller fouler feeler fullery filer flier fleer faller vealer fleury filler veiler fowler vealier foolery flir filar fluor floor flora viler flour velar flair flurry velour foliar valuer velure floury volery failure filaree filaria velaria
feeler reeler wheeler kneeler heeler peeler dueler fueler jailer velar nailer haler clear boiler fuller holler gallery collier giller vealer millier miller faller galere leery lear filer coiler baler bluer paler killer fueller rallier volery bowler biller dialer baller whaler haulier flier hellery plier haleru duller ruler dallier wilier teller sealer sailer woollier wooler chillier tiller cholera taller sheller shoaler yeller fouler tailleur eelier gluer filler mewler pallier foolery coalier fullery seller knoller sillier hiller iller culler miler puler luller toller poller raillery howler oilier hauler fowler jowlier mauler feller lehr veiler oiler valuer wailer tailer ceiler waler fleer hillier jollier huller pooler blear bolero healer cooler vealier bailer lier loller heller caller bawler mailer coaler helleri holier queller hailer railer viler celery mealier poler leer belier muller tiler tallier relier palier puller realer bullier gaoler sallier lowlier roilier moiler rulier willer dueller taler roller siller toiler tooler woolier chiller dealer sealery choler slier shalier shellier shoalier dialler yowler
fuel feal feel fell fella fellah felloe fellow felly feyly flue foul foully full fully