系 けい kei system JLPT N2 noun Common word Other meanings 2. corollary 3. system (range of strata that correspond to a particular time period) The kanji in this word 系 lineage, system JLPT N1 · Strokes 7 In this level 行 業 斬る 家 形 圏 校 港 号 山 Back to the JLPT N2 list Practise these words