perpend：细思，考虑，斟酌   

词根词缀：per-完全 + -pend-称量→仔细称量/掂量

• epistle
• epitaph
• epithet
• epitome
• epoch
• eponym
• eponymous
• epoxy
• epsilon
• Epsom salts
• equ-
• equal
• equalitarian
• equality
• equally
• equanimity
• equate
• equation
• equator
• equerry
• equestrian
• equidistance
• equilateral
• equilibrant
• equilibrate