谐声

xié shēngxiesheng

1. combination of a signific component and a phonetic element to form a phono-semantic character, as in 功[gong1], which has signific 力[li4] and phonetic 工[gong1] (also referred to as 形聲|形声[xing2 sheng1])
2. (of words or characters) homophonous

Study it in Yanamino