Reconstruction:Proto-Vietic/c-ʔɔːk

Etymology
From.

Noun

 * 1) brain

Descendants

 * Chut:
 * Rục: cəʔɔːk⁷
 * Sách: cəʔɔːk⁷
 * Thavung: ʔɔːk⁷
 * Tho:
 * Cuối Chăm: ʔɒːk⁷
 * Làng Lỡ: ʔɔːk⁷
 * Viet-Muong: