<voc,voi,voke>言语:voice,advocate,provoke，vocabulary,vocable,vocalist

<feas,fea>行为:feature,feasible feasance,feat

<frac,fac,fect,fic,fig>做:fracture,factor,faciliate,fact,figure,fiction, infect,affect,artifacts

<vid,vis,view,vi>看:visual,vision,interview，review,devise,advise,visuable,aeroview，counterview

<spec,spect>观:mircospect,spectacle,prospect,inspect,  respect，aspect,circumspect,despise,suspect, spectculate

<audi>听:audit,auditor,audio,audience,audient,audible,auditorium

前缀:ad/af/as加强，arti人造，                  aero空,circum周围,counter反对,de向下，  in内,pro/pre向前,re重复/反向,sus在下面，

后缀:ance/ence<noun.>#ate<verb.>  #al<adj.>#ary<adj.>#able/ible<adj.>#ce<noun.>#cal<adj.>#ent<noun./adj.>#or<noun.>#um<noun.>#ture<noun.>#tion/sion<noun.>#