communicate：传送，传达；交换，交流；通讯，通话；传播，传染

词根词缀：com-共同 + -mun-公共→共同,共通 + -ic名词词尾 + -ate动词词尾

communicate：交流，交际

com-, 强调。-mun, 改变，交换，公共，词源同mutable, common.

• electric
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• electrocardiogram
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• electroencephalogram
• electroless nickle p
• electrolysis
• electromagnet
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• electronic
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• electrostatic
• elegance
• elegant
• elegy
• element