treaty
词根词缀：
entreat v. 恳求
en 使… + treat 处理 → 使…得到处理 → 恳求
entreaty n. 恳求，请求
entreat 恳求 + y 表结果 → 恳求，请求
maltreat v. 虐待
mal 坏 + treat 处理 → 虐待
retreat n. 退却；隐退
re 回 + treat 处理 → 处理回去 → 退回去 → 退却；隐退
treatment n. 待遇；治疗
treat 处理 + ment 表名词 → 待遇；治疗
treaty n. 条约
treat 处理 + y 表名词 → 处理〔纷争的文件〕→ 条约
数据来源：新东方英语词汇速记大全
相关例句：
A coalition could have defeated the government and wrecked the treaty
联盟本来可以击败政府并毁掉该条约的。
His new relationship with Germany is enshrined in a new non-aggression treaty
他与德国的新关系受新的互不侵犯条约的保护。
Inspectors were sent to visit nuclear sites and verify compliance with the treaty
监督员被派去视察核武器基地并核实条约的遵守情况。
The controversy has arisen over the text of the preamble to the unification treaty
针对统一条约的序文出现了争论。
Britain's negotiators had ensured that the treaty which resulted was a significant change in direction
英国谈判代表已经担保由此而签订的条约将是方向上的重大改变。
The treaty is now void of absolute commitments.
条约现在失去了绝对的约束力。