• 倉庫そうこ — warehouse / storage
• 車庫しゃこ — garage
• 図書庫としょこ — archive / book storage
• 冷蔵庫れいぞうこ — refrigerator
• 在庫ざいこ — stock / inventory
• 兵庫県ひょうごけん — Hyogo Prefecture

The radical 广 (まだれ) suggests a building or shelter. 庫 conveys the idea of a place to store things, especially valuable items or vehicles — hence its use in words for warehouses, garages, and storage facilities.