• 政治せいじ — politics; government
• 治なおす — to heal; to cure
• 治おさまる — to settle; to subside
• 治安ちあん — public order
• 完治かんち — complete recovery
• 治療ちりょう — medical treatment
• 自治じち — self-government; autonomy
• 治癒ちゆ — healing; cure

氵 hints at water’s calming, restorative quality. The right part 台 supplies the sound. Together, 治 expresses restoring order or health — soothing a river’s flow, stabilizing society, or curing illness.

この薬くすりで 風邪かぜが 治なおりました。
This medicine cured my cold.

国くにを 治おさめるために 努力どりょくが必要ひつようです。
Effort is needed to govern the country.