Larynx
Voice Box
noun
こうとう
高等 (こうとう) High Class, High Grade
喉頭 (こうとう) Larynx, Voice Box
叩頭 (こうとう) Bow
高騰 (こうとう) Sudden Price Jump, Steep Price Rise
The Larynx 喉頭 is part of the throat 喉 and feels like a little head 頭 or apple.