+8 = 14 

ㄓㄥzhēng

  1. 樂器撥弦樂器形似蒙恬二弦以後三弦二十五弦」。

  2. 參見

guzheng or long zither, long zither with 13 to 16 strings, developed from guqin 古琴 during Tang and Song times, Japanese koto
luth à 12 cordes
Guzheng (S, Mus)​, Zheng (S, Mus)​