envelop
　　envelop v.
　　enzyme
　　epidemic
　　endemic
　　equilibrium
　　equity
　　equivalent
　　erosion
　　rodent
　　esteem
　　etal
　　ethnic
　　ethnicity
　　we have considered about ethnicity of people.
　　ethnologist
　　evade
　　evoke
　　evolve
　　exaggerate
　　excavate
　　cave
　　excavation
　　exceed
　　excess
　　excessive
　　exclude
　　exclusive
　　exclusive right
　　exclusively
　　excursion
　　executive
　　chief executive office
　　exert
　　exert influence on you
　　exhaustive
　　exhausted
　　exodus
　　exoneration
　　expand
　　expansion
　　expe nditure
　　explicit