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.
freres farers firers freers friers fearers fuhrers furores farrieries furrieries farriers friaries fuehrers furriers friars furors variers
freres derrieres furrieries borers careers orreries jeerers burghers couriers variers carriers driers arrears hurriers curriers curers queriers fuhrers barriers darers hearers parriers sharers ruers worriers wearers priers triers toreros tearers bearers airers pourers drearies firers friers priories roarers crores marrers corers furriers lurers freers furores fuehrers curares farriers tarriers quarriers hirers harriers criers carers rares marriers parers friaries soarers currieries rears briers farers buriers parures rearers drears fearers prioress terriers farrieries tourers urares burrers wirers cheerers prairies shearers
frere farer farrier farriery fierier firer firrier freer frier frore furrier furriery