• 憲法けんぽう — constitution
• 憲章けんしょう — charter
• 違憲いけん — unconstitutional
• 合憲ごうけん — constitutional
• 立憲りっけん — constitutional (e.g., government)
• 憲兵けんぺい — military police

憲 is a compound that combines the heart element (心) with a phonetic giving ケン. It represents moral or legal principles that guide society, particularly in governance and constitutional law.