mogiphonia

mog·i·pho·ni·a

(moj'i-fō'nē-ă), Laryngeal spasm occurring in public speakers as a result of overuse of the voice. [G. mogis, with difficulty, + phōnē, voice]

mogiphonia

(mōj-ĭ-fō′nē-ă) [″ + phone, voice] Difficulty in emitting vocal sounds.