規則活用 きそくかつよう Meanings Noun regular conjugation; weak conjugation Kanji 規 rule. Read as キ. 則 rule. Read as ソク. 活 active. Read as カツ. 用 use. Read as ヨウ. Words containing 規則活用 不規則活用 (ふきそくかつよう) irregular conjugation Word lists Grammar Jinuma: Japanese Dictionary · Word lists