• 警察署けいさつしょ — police station
• 署名しょめい — signature
• 消防署しょうぼうしょ — fire station
• 官署かんしょ — government office
• 税務署ぜいむしょ — tax office
• 署長しょちょう — station chief

署 combines the radical 罒 (“net”) with 者 (“person”), suggesting someone officially designated within a framework. It is widely used in public institutions, formal documentation, and official signage.