词根：iter = 再
同源词：
1. iterate [iter 再，重复，-ate 动词后缀]
v. 重述，反复申说；重复
2. iteration [见上，-ation 名词后缀]
n.重复；反复
3. iterative [iter 再，重复，-ative ...的]
adj.重复的；反复的
4. iterance [iter 再，重复，-ance 名词后缀]
n.重述，反复申说；重复
5. reiterate [re- 重，再，见上，]
v.反复做；反复讲；重申；重作
6. reiteration [见上，-ation 名词后缀]
n.重复；反复；重申
词根：ide, ideo = idea 意, 观念
来源于法语或拉丁语 idea 观念，词根ideo是词根ide的变体。
同源词：
1. idea [ide 意，观念，-a 名词后缀]
n.思想；概念；意见；观念
2. ideal [ide 意，观念，-al ...的]
adj.理想的；概念的
3. ideality [见上，-ity 名词后缀]
n.理想；想象力
4. idealize [见上，-ize 动词后缀]
v.使理想化；使概念化
5. idealism [见上，-ism 主义，论]
n.观念化；唯心论，唯心主义
6. idealist [见上，-ist 表示人]
n.观念论者；唯心论者
7. idealistic [见上，-ic ...的]
adj. 唯心主义者的；唯心论的
8. ideology [ideo 意，观念，-logy 抽象名词后缀]
n.思想意识；意识形态；观念形态
9. ideologist [见上，-ist 人]
n.思想家，理论家
10. ideological [见上，-ical ...的]
adj.思想上的；意识形态的；观念形态的
11. ideogram [ideo 意，gram 写→文字]
n.表意文字（如汉字）
12. ideograph [ideo 意，gram 写→文字]
n.表意文字
13. ideographic [见上，-ic ...的]
adj.表意文字的
14. ideography [见上，-y 名词后缀]
n.表意文字的应用；表意文字学
词根：idea, ideo = idea, 表示“思想, 观点”
ideal n. 理想（idea+al)
idealism n. 唯心主义（idal+ism→理想主义，唯心主义）
idealize b 理想化（ideal+ize)
ideate b 想象，设想（idea+ate→思想→设想）
ideograph n. 表意文字（ideo+graph→写思想的字→表意文字）
ideology n思想体系（ideo+logy体系，学科→思想体系，意识形态）
ideolonical a. 思想上的（ideology+ical)
词根词缀：ideo-
【来源及含义】Greek: idea, form, appearance; class, species, model; general principle
【相关词根词缀】 Inter-related cross references, directly or indirectly, involving word units dealing with "form, shape, appearance": eido-; figur-; form-; icono-; imag-; morpho-; -oid; typo-.
【同源单词】ideaphobia, ideocracy, ideofact, ideoglandular, ideogram, ideogrammatic
词根词缀：-ile, -il
【来源及含义】Latin: suffix; ability to, capable of, suitable for; pertaining to, like, belonging to, tending to
【同源单词】agile, docile, domicile, facile, fertile, fragile
词根词缀：ile-, ileo-
【来源及含义】Greek > Latin: groin, flank, lower part of the body; gut, bowels, abdomen, loins
【相关描述】A combining form that denotes the ileum or the lower section of the small intestine.
From Greek eileos, verbal of eilein, to roll or twist up tightly; once used interchangeably with ilium, but later referred to the entire intestine; the last division of the small intestine.
【同源单词】gastroileostomy, ileocecal, ileocecostomy, ileocecum, ileocolic, ileocolitis
词根词缀：ira-, iras-, ire-
【来源及含义】Latin: anger, wrath, rage; enraged, furious
【相关词根词缀】 Cross references of word families that are related directly, or indirectly, to: "anger, angry; rage, wrath, fury; rave": fur-, furi-; lysso-; mania-; rab-, rav-.
【同源单词】Ab irato, irascibility, irascible, irascibleness, irascibly, irate
词根词缀：itera-, iter-
【来源及含义】Latin: again; to do over a second time, to repeat, to say again
【同源单词】iterance, iterancy, iterant, iterate, iterated, iteration