Pitchman rhymes with:
fritchman, hitchman, wichman, wichmann, churchman, churchmen, coachman, deutschman, dutchman, fritchman, henchman, henchmen, hitchman, kretchman, leachman, watchman, wichman, wichmann
Pitchman sounds like:
patagonia, patagonian, patchen, patchin, pathogen, patteson, pattison, petitjean, pettijohn, pidgeon, pietism, pitchmen, pitkin, pitswon, pitzen, potassium