词根：equ(iqu) = equal, same 相同, 相同
来源于拉丁语形容词aequus,意为equal,same。这个词根与其它词根构词时，常还有连接字母（中缀）-i-,也可以把equi看作是equ的变体。词根equ的变形还有iqu。同义词根有来源于拉丁语的sembl,simil/simul,par,ident等和来源于希腊语的tauto。
同源词：
1. adequate [在相同的、同等的事物上添加的ad(=to,add)+equ(=equal)]
adj. 适当的；足够的
adequacy n. 适当；足够
adequately adv. 适骞地；足够地
My mother always reminds me of taking an adequate supply of socks to camp. 我妈妈常常提醒我：去野营时一定要带够袜子。
2. equitable [使能够同等的equ(=equal,same)]
adj. 公正的，公平的；[律]衡平法的
equity n. 公正，佘平；衡平法；(pl．)股息不定的普通股
equitabiy adv. 公正地，公平地
ex) The divorcing couple negotiated an equitable property settlement．那时离婚的夫妇就公平的财产分配达成了协议。
3. equivocate [发出同样的声音aqu(=equal,same)+voc(=call,voice)]
vi 支吾，含糊其辞
equivocal adj. 歧义的；暧昧的，模糊的
equivocation n. 含糊其辞
equivocally adv. 含糊地
ex) Stop equivocating and get to the point! 别兜圈子了，快说重点！
4. inadequate [不是往同样的东西上添加的 in(=not)+ad(=to, add)+equ(=equal)]
adj. 不充分的；不适当的
inadequacy n. 不充分；不适当
inadequately adv. 不适当地；不充分地
His academic performance has been inadequate for several semesters running.他的学术研究成绩连续几个学期都不合格。
5. iniquity [不相同或不正确in(not) + iqu<equ(=equal，same)]
n. 不公正；邪恶；( pl．)不公正的行为；邪恶的行为
iniquitous adj. 不公正的；邪恶的
God banished Satan to hell for his iniquity 上帝因撒旦的邪恶行径而将他放逐至地狱。
6. equable
adj. 变化小的，稳定的；平和的
equable climate/disposition/temper 变化很小的气候/平和的性格/温和的脾气
7. equal
adj.相同的，同等的；平等的；胜任的 n. 同等的人；可匹敌的事物 v. 跟…相同；比得上
equally adv. 同样地，同等地；平等她
equal opportunity 均等的机会
equal opportunity employer 提供公平机会的雇主
ex) She has no equal in cooking. 在烹饪方面没有谁能和她匹敌。
Equal Rights Amendment （美田宪法的）平等权利修正案
8. equalitarian
adj. 平等主义的 n. 平等主义者
9. equality
n. 平等；同等；均等
10. equalize
v. 使相等；使平等 *ize(=make)
equalization n. 平等化；平等化
equalize tax burdens 均掉捐税负担
equalize income 使收入均等
11. equate
v. 等同；使相同 *ate(=make)
equate the possession of wealth to happiness 认为拥有财富就等于幸福
equate two quantities 使两个数量相同
12. equation
n. [数]方程式；等式；相等
13. equator
n. （the ～ ）赤道
14. equatorial
adj. 赤道的；赤道附近的
equatorial Africa 位于赤道附近的非洲
equatorial orbit 赤道轨道
Equatoria Guinea 赤道几内亚
15. equidistant
adj. 等距的 *di<dis(=away),St(=stand)
equidistant diplomacy 等距离外交
16. equilateral
adj. 等边的 *later(=side)
equilareral triangle 等边三角形
17. equilibrium
n. 平衡状态；均衡；（心情的）平静 *libr(=balance)
in a state of equilibrium 处于平衡状态的
scales in equilibrium 平衡的天平
maintain /lose equilibrium（保持／失去平衡）
18. equinox
n. 昼夜平分时，春分或秋分 *nox(=night)
autumnal/spring equinox 秋/春分
19. equinoctial
n. 昼夜平分的，春分或秋分的 *noct(=night)
equinoctial circle/line 天（球）赤道
equinoctial point 二分点
oquinoctial gales/tides 二分点风暴/分点湖
20. equipoise
n. 平衡，均衡；平衡物；秤锤 *pois<pos(=put)
21. equivalent
adj.同等的几同等物；相当物；意义相同的词（或符号、表达法等）*val(=worth)
equivalent to an insult 等于辱骂的
the Korean equivalent of "thank you” 和“thank you”相对应的韩语
noun equivalent 相当于名词的形式
22. equivalence/-ency
n. 等同；等价 *val(=worth)
23. inequality
n.不平等；不同；不均衡；不等式 *in(=not)
the inequality between the rich and the poor 贫富间的不平等
24. inequitable
adj. 不公平的，不公正的 *in(=not)
inequitable division of the profits 不公平的收益分配
25. inequity
n.不公平，不公正 *in(=not)
26. unequal
adj. 不同的；不公平的 *un(=not)
27. unequalled
adj. 无与伦比的 *un(=not)
28. unequivocal
adj. 明确的，不含糊的 *un(=not),voc(=voice,call)
词根：preci(prais, pric, priz) = price（价格, 价值）
来源于拉丁语 pretium 价值,prais,pric,priz为preci的变形。
同源词：
1. appreciable [可以给某物定价的ap<ad(=to)+preci(=price)]
adj. 可感知的；可观的；可估计的
appreciate v.感谢；正确评价；欣赏；（充分）意识到
appreciation n. 感谢；评价；欣赏；重视
appreciative adj.欣赏的；感激的
appreciably adv.相当地；明显地；可察觉地
My uncle earned an appreciable amount of money in the stock market. 我叔叔在股市赚了一大笔钱。
2. depreciation [价格向下、降低de(=down)+preci（=price）]
n. 降价，贬值；轻视；折旧
depreciate v. 降价；轻视，藐视
depreciatory adj.降价的；轻视的
Capital equipment taxes are calculated after factoring in depreciation．资本设备税的计算要先考虑折旧因素。
3. precious
adj.贵重的，珍贵的；<口> 十足的；可爱的 ad.非常，很
precious metal 贵金属
precious stone 宝石
precious fool 十足的傻瓜
precious cold 非常冷
4. appraise
v.评价；估价 *ap<ad(=to), prais<preci(=price)
5. appraisal
n.评价；估价 *ap<ad(=to), prais<preci(=price)
interim appraisal 临时/中期评估
6. praise
v./n. 称赞，赞美 *prais<preci(=price)
praiseworthy adj.值得称赞的，可嘉的
win high praise 赢得高度赞扬
in praise of 赞美…
7. price
v.给…定价；问…的价格几价格；代价；赏金
pricy adj.昂贵的
price cartel 价格协定
price index 物价指教
price tag （贴在商品上的）价格标签
market price 市价
special price 特价
fixed /set price 固定价格
asking price 要价
at cost price 按成本价
put a price on one's head 悬赏捉拿或处死某人
8. priceless
adj.贵重的，稀世珍重的；<口>极荒唐的；极有趣的 *pric<preci(=price)
priceless paintings 非常贵重的画
9. prize
n.奖赏；奖品；赏金；捕获物，战利品；（竞争等的）目标 v.评价；重视
adj.该得奖的；了不起的；得奖的；作为奖品的 *priz<preci(=price)
prizewinning adj.获奖的，得奖的
prize for good conduct 善行奖
consolation prizes 安慰奖
prize scholarship 成绩优良奖学金
prize winner 获奖者
prize medal 奖章
后缀：-ment [名词后缀]
1、表示行为、行为的过程或结果
movement 运动，移动
management 管理，安排
development 发达，发展
establishment 建立，设立
argument 争论，辩论
treatement 待遇
punishment 处罚
enlargement 扩大
agreement 同意，协定
advertisement 广告，登广告
statement 陈述，声明
judgement 判断，判决
shipment 装船，装运
amusement 娱乐，消遣
enjoyment 享受
2、表示物
embankment 堤岸
pavement 人行道
nutriment 营养品
battlement 城墙垛
attachment 附属物
westment 外衣，制服
fragment 碎片，碎块
equipment 装备，设备
medicament 药物，药剂
basement 地下室
apartment 房间
armament 兵器
monument 纪念碑
3、表示组织、机构
government 政府
parliament 国会，议会
establishment 建立的机构，行政机关
department 部、局、司、部门
regiment 团
词根词缀：culpa-
【来源及含义】Latin: blame; responsible for wrong or error
【同源单词】culpa, Culpa caret qui seit sed prohibere non potest, Culpa est immiscere se rei ad se non pertinenti, Culpa lata, Culpa lata dolo equiparatur, Culpa levis
词根词缀：electro-, electr-, electri-
【来源及含义】Greek > Latin: electric, electricity; from amber, resembling amber, generated from amber which when rubbed vigorously [as by friction], produced the effect of static electricity
【相关描述】Equipment which we use everyday relies on electronics to function including calculators, car controls, cameras, washing machines, medical scanners, mobile telephones, radar systems, computers; as well as many other applications or devices which are listed in this unit.
【相关词根词缀】 A cross reference of word units that are related, directly and/or indirectly, with "electricity": galvano-; hodo-; ion-; piezo-; -tron; volt; biomechatronics, info; mechatronics, info.
【同源单词】acoustoelectric effect, acoustoelectronics, active electrode, ambulatory electrocardiographic monitoring, amphoteric electrolyte, anelectrotonus
词根词缀：orn-
【来源及含义】Latin: to equip; to prepare, to furnish, to fit out
【同源单词】adorn, adornment, ornament, ornamental, ornamentally, ornamentation
词根词缀：poly-
【来源及含义】Greek: many, much; excessive; abnormal amount, profuse, ample, large quantity; multiple, abundant, numerous
【相关描述】Don’t confuse this poly- with another -poly which means “to sell”.
【相关词根词缀】 Inter-related cross references, directly or indirectly, involving word units meaning "more, plentiful, fullness, excessive, over flowing": copi-; exuber-; hyper-; multi-; opulen-; ple-; pleio-; plethor-; super-; total-; ultra-; undu-.
【同源单词】acrocephalopolysyndactyly, Andra moi ennepe mousa polytropon hos malapolla planchthe, electrodiaphanoscope, fibrous dysplasia, hyperpolysyllabicomania, hyperpolysyllabicsesquipedalianist
词根词缀：pond-, -pond
【来源及含义】Latin: weight, weigh; heavy; to consider, to think about; closely related to this pend-, "hang, weigh, to hand down" unit of words
【同源单词】counterponderate, equiponderancy, equiponderant, equiponderate, equiponderous, equipondious
词根词缀：sesqui-
【来源及含义】Latin: one and a half; normally used as a prefix; from Latin, semis “half” + que “and”
【相关描述】In chemistry, three atoms or equivalents of the [specified] element or radical are combined with two of another, as in iron sesquioxide, Fe 2O3. Also defined as the proportion of two (of one radical or element) to three (of another).
【同源单词】hippopotomonstrosesquipedalian, hippopotomonstrosesquipedalianism, hippopotomonstrosesquipedalianist, hippopotomonstrosesquippedaliophobia, hyperpolysyllabicsesquipedalianist, sesquialteral