Flesner rhymes with:
flessner, flessner, glessner, lesner, lessner, besner, essner, flessner, gesner, gessner, glessner, kesner, kessner, lesner, lessner, mesner, messner, resner, wesner, wessner
Flesner sounds like:
falconer, falconry, falkner, faulconer, faulkner, felgenhauer, felkner, fleissner, flessner, flexnor