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。
| em, empt, ampl |
emper, imper |
emper, imper |
equ, equi |
equ, equi |
| erg, ert |
erg, ert |
err |
ev |
lyr |
| fabl, fabul |
fabl, fabul |
fabr |
fac, fact, fect, fic, fig |
fac, fact, fect, fic, fig |
| fac, fact, fect, fic, fig |
fac, fact, fect, fic, fig |
fac, fact, fect, fic, fig |
fac, fic |
fac, fic |
| fall, fail, fault |
fall, fail, fault |
fall, fail, fault |
feder |
fend, fens |
| fend, fens |
fer |
ferv |
fess |
fest |
| fest |
fid |
fil, fili |
fil, fili |
fin |
| firm |
fix |
flam, flagr |
flam, flagr |
flat |
| flect, flex |
flect, flex |
flict |
flor, flour |
flor, flour |
| flu |
foli |
forc, fort |
forc, fort |
form |
| fort |
found, fund |
found, fund |
fract, frag |
fract, frag |
| frig, friger |
frig, friger |
front |
fug |
fum |