違憲[iken] unconstitutionality
家憲[kaken] family constitution
改憲[kaiken] constitutional change
官憲[kanken] officials
軍官憲[gunkanken] military authorities

憲章[kenshou] charter
憲政[kensei] constitutional government
憲兵[kenpei] military police
憲法[kenpou] constitution
憲法を改正する[kenpouwokaiseisuru] to revise the constitution

悔改める[kuiaratameru] to repent
改まる[aratamaru] to be renewed
改めて[aratamete] another time
改める[aratameru] to change
改悪[kaiaku] deterioration

改印[kaiin] changing seals
改革[kaikaku] reform
改革案[kaikakuan] reform proposal
改革過程[kaikakukatei] reform process
改憲[kaiken] constitutional change