Dufrene rhymes with:
frean, freen, andreen, brean, breen, citrine, crean, doreen, frean, freen, green, greene, ireene, irene, latrine, laureen, laurene, lorene, marean, maureen, mcbreen, moreen, onscreen, pilgreen, preen, prien, reen, screen, spreen, sunscreen, tigrean, treen, varin, vidrine
Dufrene sounds like:
daffern, daffron, davern, debruin, debruyn, debruyne, deform, defrain, dibbern, diperna, diprima, doberman, dobrin, dobrynin, dufrane, duvernay