四级词汇

compound     复合的             com (together) = con cor co col           - poun- (put) = pon

attribute         归因于             at(to)       -tribute-(give)

alternative       代替的                         -alter-(other)

literature         文献的                    -liter-(文字)

tremendous   巨大的、可怕的                                         -trem-(颤抖)

interracial                                         race(种族)

appetite          欲望                  ap(go) = ab                           pet(find) = peti

undermine     破坏                   -mine-(挖、矿）

overestimate                             -estim-(value)

joint                                     -join-(连接)

recession                               -cess-(go) = ced ceed

penalty        处罚                           -pen-(惩罚) = pun

virus

refuel                                            fuel 燃料

pernanent                              per(trought)      -man-(stay) = main

domination        主宰、控制               -dom- (房屋)            -domin-(占有房屋、主宰)

prosperity                                 - sper-(hope)

conclusion                           - clus-（shut) = clos, clud,

assembly        集会                            as(临近)        -sembl-(相同)