相沢事件 あいざわじけん Meanings Noun Aizawa incident (assassination of Major General Tetsuzan Nagata by Lieutenant Colonel Saburo Aizawa; August 12, 1935) Kanji 相 mutual. Read as あい. 沢 plenty. Read as さわ. 事 matter 件 case. Read as ケン. Jinuma: Japanese Dictionary · Word lists