logical：逻辑(上)的，符合逻辑的；合乎常理的

词根词缀： -log-推理 + -ical形容词词尾

• execute
• execution
• executioner
• executive
• executor
• exegesis
• exemplar
• exemplary
• exemplify
• exempt
• exemptible
• exemption
• exercise
• exert
• exertion
• exeunt
• exfoliate
• ex gratia
• exhale
• exhaust
• exhausted
• exhausting
• exhaustion
• exhaustive
• exhibit