訓くん令れい式しきくんれいしきMeanings1nounkunrei-shiki romanization; kunrei systemabbreviationAbbreviation of 訓令式ローマ字. Refers to the Japanese government's official romanization system, which is based on phonology and differs from Hepburn romanization.See also: 訓令式ローマ字訓くん令れい式しきでは「し」を