有効 ゆうこう yuukou valid JLPT N3 na-adjective noun Common word Other meanings 2. yuko (judo) The kanji in this word 有 possess, have, exist JLPT N4 · Strokes 6 効 merit, efficacy, efficiency JLPT N2 · Strokes 8 In this level 辞める やや 唯一 勇気 友好 優秀 優勝 友情 友人 有能 Back to the JLPT N3 list Practise these words