《轻松背单词：雅思英语词汇词根词缀高效记忆》中所收录的单词都是从历届雅思考试题中提炼出来的。编者利用先进的电脑统计分析技术，对历年考试题中出现的单词进行系统的电脑分频，将历年考题中出现频率较高的单词甄选出来，标注为常考单词。考题中出现频率较低的，但是考试范围内的单词，标注为普通单词。极大地方便了考生有的放矢地去背单词。

a- ～ av, avar, avi = desire, bird
be- ～ burg- = bud
calc- ～ cur(r), curs, cours = run
de- ～ dur = last, hard
e-, ef- ～ -ery
fore- ～ fus = pour
gen, gener, genit = birth, produce ～ greg = group
hibit = hold ～ -hood
-ial ～ -ism
judg, judic = judge ～ juven = young
labor = labor ～ -ly
machin- ～ mot-
nat = born ～ numer = number
out- ～ -ous
par = equal ～ -proof
quest, quir, quer = seek, search
radi ～ re-
sati, satis = enough, full of food ～ sym-, syn-
tact = touch ～ trans-
ultra- ～ under-
vac, void = empty ～ vulg = people
-ward ～ -wise
-y
zoo = animal