-ment 是英文中常見的字尾之一，通常用來將動詞轉換為名詞，表示「行為」、「狀態」、「結果」或「產物」。
動作或行為的結果：
● Achieve (達成) → Achievement (成就)
● Adjust (調整) → Adjustment (調整)
● Agree (同意) → Agreement (協議)
● Argue (爭論) → Argument (爭論)
● Engage (參與) → Engagement (訂婚、參與)
● Improve (改善) → Improvement (改善)
● Invest (投資) → Investment (投資)
● Measure (測量) → Measurement (測量)
● Pay (支付) → Payment (支付)
● Punish (懲罰) → Punishment (懲罰)
● Replace (替代) → Replacement (替代)
● State (陳述) → Statement (陳述)
● Treat (處理) → Treatment (治療)狀態或狀況：
● Content (滿足) → Contentment (滿足)
● Govern (治理) → Government (政府)
● Develop (發展) → Development (發展)
● Enjoy (享受) → Enjoyment (享受)
● Manage (管理) → Management (管理)
● Move (移動) → Movement (運動)過程：
● Develop (發展) → Development (發展)
● Engage (參與) → Engagement (訂婚、參與)
● Treat (處理) → Treatment (治療)
● Enlighten (啟發) → Enlightenment (啟蒙、開導)其他：
● Instrument (工具) → Instrument (工具)
● Environment (環境) → Environment (環境)