词根：graph, gram = to write（书写）
来自希腊语的graph,gram意为to write。同义词根有来自拉丁语的scrib/script。
（*希腊文gramma (= letter),graphein (= to write)——英文字根字典）
同源词：
1. graphic adj.书写的；图解的，绘画的；生动的（写的graph(=write)）
graphics n.制图法
graphically adv.生动地；用文字；通过图表
Her graphic presentation of the data was quite clear.她用图表所展示的数据非常清晰明了。
2. graphic n.石墨
3. autograph n.亲笔签名 v.亲笔签名 *auto (=self)
autograph book/album 签名纪念册;book autogrphed by the author 作家亲笔签名的书；autographed photograph亲笔签名的照片
4. autobiography n.自传 *auto(=self),*bio(=life)
autobiographer n.自传作者
5. biography n.传记 *bio(=life)
6. bibliography n.书目提要；参考书目；目录学 *bibl(=book)
7. calligraphy n.书法；笔迹 *calli(=beautiful)
calligrapher n.书法家
8. geography n.地理学 *geo(=earth)
geographer n.地理学者
9. lithography n.平版印刷术 *lith (=stone)
lithograph n.平版画
lithographic adj.平版印刷（术）的
10. phonograph n.留声机 *phon (=sound)
11. photograph n.照片 v.拍照 *photo (= light)
photography n.摄影术
photographic adj.摄影的；摄影用的
photographic apparatus/goods/periodicals摄影器械/用品/杂志
12. polygraph n.复写仪；[医]多种波动描记器；测谎器 *poly (=many)
13. pictograph n.象形文字；古代石壁画；（用图形表示的）统计图表 *pict (= paint)
14. stenography n. 速记；速记法 *steno (=narrow)
stenographer n.速记员
15. telegraph n.电报；电报机 v.发电报；流露 （从远处书信送来的）《tele- = far off》
16. grammar (*gram写,图+mar→写的规则 →语法是用来规范书写的 →) n.语法
grammarian n.语法学家
grammatical adj.语法的，语法上的
grammatical error 语法错误
17. cryptogram n.密码 *crypt ( = hide)
18. diagram n. 图表；图解 *dia (=through)
19. epigram n. 隽语；警句（写在石头上的东西->碑志）《epi- = upon》
epigrammatic adj.警句（式）的；讥讽短诗（般）的
20. program n.程序；节目单；计划（表）；（政党）纲领 v.[计]编程序；制订计划；安排节目 *pro (= forth,before)
program(m)er n.节目编排人；（计算机的）程序员
program director （广播、电视的）节目纺导
program note 节目简介
program music 标题音乐
political program 政治纲领
21. monogram n.由姓和名第一个字母组合而成的图案《mono- = single》
22. parallelogram n. 平行四边形 （对面平行的图形）《parallel = 平行的》
23. monograph n.专论；专文（单一论述）《mono- = single》
24. orthography n.正确拼法；拼字法（写的正确）
25. epigram 警句,格言 n. (epi在……上 + gram 写 → 写在上面的话→格言)
epigrammatic adj. (epigram[n.警句,格言]+atic表形容词→epigrammatic警句的) 警句的
26. gramophone n. (gramo=gram写,图+phone电话机→写下声音的电话机→留声机) 留声机
词根：calc (culc) = to tread
来自拉丁语的calc 意为to tread,它的变形为culc。
同源词：
1. inculcate（为进入某人内心而踩踏 in(=in,on) + culc<calc(=tread)）
vt.sth + in/into +sb 灌输；谆谆教诲
inculcation n.灌输；谆谆教诲
Mr.scarrow inculcated in us a deep respect for people of all races.斯卡路先生谆谆教导我们尊重所有的人。
2. recalcitrant
adj. 不服从的，反抗的；固执的 *re(=back,against)
recalcitrance / recalcitrancy 不服从，反抗；固执
词根词缀：angusti-, angust-
【来源及含义】Latin: narrow, tight, slender, thin
【同源单词】Ad augusta per angust, anguish, anguish, anguish, angust, angustate
词根词缀：dolich-, dolicho-
【来源及含义】Greek: long; used in extended senses as, "abnormally long"; narrow
【同源单词】acrodolichomelia, dolichocephalic, dolichocolia, dolichocolon, dolichoderus, dolichoeuromesocephalus
词根词缀：io-
【来源及含义】Greek: 1. Io, daughter of the river god, Inachus. 2. An arrow; poison, rust
词根词缀：isthm-, isthmo-
【来源及含义】Greek: narrow passage or ridge; narrow passage or strip [especially of bodily tissue] connecting two larger entities
【同源单词】isthmectomy, isthmian, isthmoid, isthmoparalysis, isthmoplegia, isthmospasm
词根词缀：lept-, lepto-
【来源及含义】Greek: thin, small, fine, delicate, mild; from "peeled, husked"; used primarily in the sense of "abnormally thin, narrow, slender, or delicate"
【同源单词】leptiform, leptocaul, leptocentric, leptocephalia, leptocephalic, leptocephaloid
词根词缀：medull-, medullo-, medulli-
【来源及含义】Latin: marrow; central part
【同源单词】juxtamedullary, lienomedullary, medulla, medulla oblongata, medulla spinalis, medullary
词根词缀：myelo-, myel-
【来源及含义】Greek: bone marrow; the spinal cord and medulla oblongata; the myelin sheath of nerve fibers
【同源单词】amyelencephalia, amyelia, amyeloneuria, amyelotrophy, multiple myeloma, myelin
词根词缀：sagitto-, sagitt-
【来源及含义】Latin: arrow
【同源单词】sagittal, sagittally, Sagittarian, sagittary, sagittate