noun
commonality; shared characteristics
Refers to the quality of having something in common; often used in discussions of groups, cultures, or concepts.
両国には文化的な共通性がある。
There is cultural commonality between the two countries.
この二つの問題には共通性が見られる。
We can see a commonality between these two problems.
Compound of 共通 (common) + 性 (nature, quality).