光二, 光仁, 光司, 光次, 光治, 公二, 剛治, 好治: a male given name / 孝志, 孝次, 孝治, 宏次, 幸二, 幸司, 幸治, 康司: a male given name / 廣二, 晃二, 晃司, 晃次, 浩二, 浩司, 浩嗣, 浩次: a male given name

公二郎, 厚治郎, 光治郎: a male given name

式: ceremony / 戠: sword, potter's clay, gather / 識: consciousness / 士気: fighting spirit, morale / 四季: the four seasons / 死期: one's final hour, time of death / 私記: personal records

史記: Shiji

式: ceremony / 式: formula, expression / 式: style

認識: recognition

会式: Buddhist memorial service

色盲: color blindness

age of majority (age at which the rights and privileges of an adult are legally granted)

(calculus) ordinary differential equation