過か少しょう申しん告こく加か算さん税ぜいMeaningsNoun1. penalty tax for understatement (of income)Kanji used過surpass something少few申say humbly告reveal加add算calculate税taxComposed of過か少しょう申しん告こくunder-reporting (e.g. income on a tax return)Noun加か算さんaddition; adding; supplementNa-adjective税ぜいtaxNoun