区 The 区 sound set Mostly read オウ See 区 as a kanji → These jōyō kanji all use 区 as a sound hint — a clue to pronunciation, not meaning. 欧 オウ Europe 駆 ク drive, run, gallop 殴 オウ assault, hit, beat 枢 スウ、シュ hinge, pivot, door ← All sound sets