• 山やま — mountain
• 火山かざん — volcano
• 富士山ふじさん — Mt. Fuji
• 登山とざん — mountain climbing
• 山道やまみち — mountain path
• 山頂さんちょう — summit
• 山小屋やまごや — mountain hut
• 沢山たくさん — a lot; many; much

“山” appears in personal names, geography, and even metaphors. Its simple shape is easy to remember, and its meaning connects deeply with Japan’s natural scenery and cultural identity.