communal：社会的，公有的；公用的，公共的

词根词缀：com-共同 + -mun-公共 + -al形容词词尾

• def
• deface
• de facto
• defamatory
• defame
• default
• defeat
• defeatism
• defecate
• defect
• defection
• defective
• defence
• defend
• defendant
• defender
• defense
• defensive
• defer
• deference
• deferent
• deferential
• deferment
• defervesce
• defiance