強化 きょうか kyouka strengthening JLPT N2 noun suru verb Common word Other meanings 2. reinforcement The kanji in this word 強 strong JLPT N4 · Strokes 11 化 change, take the form of, influence JLPT N3 · Strokes 4 In this level 休業 休講 給与 休養 清い 境界 共産 行事 恐縮 教養 Back to the JLPT N2 list Practise these words