• 保護ほご — protection / preservation
• 看護かんご — nursing / care
• 護衛ごえい — escort / guard
• 護身ごしん — self-defense
• 弁護べんご — legal defense
• 援護えんご — cover / support

The character 護 combines the radical 言 (speech / language) with phonetic and semantic elements related to defense and care. It is commonly used in formal or institutional contexts such as legal defense or medical care.