Friedmann rhymes with:
freedman, friedman, freedman, friedman, freedman, friedman, steedman, tiedeman, tiedemann, weedman, wiedeman, wiedemann, wiedman, wiedmann
Friedmann sounds like:
faridoun, ferdon, fordham, fortin, fortini, fortino, fortman, fortna, fortney, forton, fortuna, fortune, fortuny, fourteen, frediani, fredin, fredman, freedman, freedom, freetown, freidan, freidman, freudian, fridman, friedan, frieden, friedman, fruition