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communality; community; having something in common
二つの作品に共通性を感じた。
I sensed something in common between the two works.
この二つの事件には共通性があると捜査官は言った。
The investigator said the two cases have something in common.
文化の違いを超えた共通性こそが人類の絆を深める力となる。
It is the commonality that transcends cultural differences that deepens the bonds of humanity.