first/fist/second/third/initial/initially/origin/original/originate
记忆：
1. first [ fE:st ] adv. 首先, 最初, 第一(列举条目等用) adj. 第一的 The first settlers on the island had great difficulty in getting used to the poor conditions.早期的殖民者很难适应岛上的恶劣条件。 格言：First things first.有序而作。
2. fist [ fist ] n. 拳 His fist hit her in the face hard.他的拳头重重地打在她的脸上。
3. second [ 5sekEnd ] n. 秒, 第二人 num.第二 vt. 赞成, 支持 After a few seconds everything quieted down.过了一会儿，一切都平静了下来。
4. third [ WE:d] num.第三, 三分之一 I will see the film a third time because I still didn’t quite understand it at the second time.我第二遍也不是很明白这部电影，因此我又看了一遍。
5. initial [ i5niFEl] in-it-ial Of, relating to, or occurring at the beginning; first adj.最初的, 词首的, 初始的 Both sides took the initial step toward peace.双方都朝着和平方向迈出了第一步。
6. initially [I5nIFElI] adv. 最初, 开头 Initially, she opposed the plan, but later she changed her mind.起初，她反对这份计划，但后来她改变了主意。
7. origin [ 5CridVin ] The point at which something comes into existence or from which it derives or is derived n. 起源 Everything has its origin.万物有其起源。
8. original [ E5ridVEnEl ] adj. 起源的，原始的 Not only our products but also our minds are original.我们的产品是原创的，我们的思想也是原创的。
9. originate [ E5ridVineit] v. 起源于 Planes originated from birds.飞机起源于鸟的启示。
另类阅读：
Can we allow the fist to decide who is the first, second or the third?