-ion来源于拉丁语，只能加缀在拉丁动词词干或拉丁借词上，构成相应的名词，其意思相当于the act or process of ～,the result of ～ing,the condition of being ～ed,a thing that ～s等，即表示某一动作过程、结果与状态，以及与该行为有关的事物。由于拉丁构词规律的影响，-ion有-ation,-ition,-ution等异体，但它们的用法与意义与-ion并无区别。

1.attraction [attract v.吸引;-ion →]
n.吸引；吸引力
举例：The attraction of the bright headlight made the deer stop in the road. 明亮的汽车前灯光吸引得那只鹿停在公路中间。
Sports have great attraction for most boys. 运动对多数男孩子有很大的吸引力。

2.calculation [calcul 计算；-ation ]
n.计算；计算结果
举例：Our first calculation was wrong,but the second was correct. 我们第一次得数是错误的，第二次是对的。

3.collection [collect 收集；-ion →“收集的结果”→]
n.收集物，收藏品
举例：Our library has a large collection of books. 我们的图书馆藏书量很大。

4.fascination
n.迷恋，强烈爱好
举例：the girl's fascination with television programms worried her parents very much. 那小女孩迷上了电视节目，父母大为担忧。

5.connection
n.连接，联系；连接物
举例：The connection between the radiator and the pipe has become loose. 汽车水箱与管道之间的连接件已经松动。

6.falsification [falsif = to falsify 窜改，伪造；-ication →]
n.窜改，伪造
举例：The falsification of the will was not discovered for three months. 过了三个月才发现遗嘱被窜改。