Thalmann rhymes with:
allman, allmon, ballman, dallman, dallmann, gallman, hallman, kallman, smallman, stallman, tallman, wallman
Thalmann sounds like:
t-lam, taillon, talamo, tallman, tallon, talman, talon, telamon, tellin', thallium, thalman, theilen, thelen, thelin, thelma, thielemann, thielen, thielman, tholen, thulin, tillman, tillmon, tilman, tilney, tolan, tolen, tolin, tolman, toolan, tulane, tuolumne, tylan