同文网《英语词缀词根大全》以中高考及四六级考试大纲要求掌握的词汇为主，通过拓展同义前缀、同义后缀和同义词根，共收录了905个前缀、后缀及例句和练习题，可帮助读者了解单词的构词规律，是一部小型但内容丰富、功能实用的精编语言工具书。
| clos, clud, clus |
clos, clud, clus |
clos, clud, clus |
coct |
cogn |
| com |
mis- |
cond |
corn |
corp, corpor |
| corp, corpor |
cosm(o) |
cracy |
crat |
cre, creas |
| cre, creas |
creed, cred |
creed, cred |
crit, cris |
crit, cris |
| cruc, crus |
cruc, crus |
cryo |
crypt |
cub, cumb |
| cub, cumb |
culp |
cult |
cumber, cumbr |
cumber, cumbr |
| cur |
cur, curr, curs, cour, cours |
cur, curr, curs, cour, cours |
cur, curr, curs, cour, cours |
cur, curr, curs, cour, cours |
| cur, curr, curs, cour, cours |
cuss |
custom |
cyn |
dem(o) |
| demn |
dens |
dent |
derm, dermat |
derm, dermat |
| dexter |
di |
dict, dic |
dict, dic |
dign |
| doc, doct |
doc, doct |
dole |
dom |
don, dit |
| don, dit |
dorm |
dox |
draw |
drom |