共きょう同どう生せい活かつ

きょ

う

ど

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せ

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Meanings

Refers to a shared living arrangement, whether among family, friends, or in a communal setting. Can imply a cooperative lifestyle.

雑ざっ居きょ
共同生活 implies cooperative or shared-purpose living arrangements, while 雑居 just means different people or tenants occupying the same space without any sense of cooperation.
コアビタシオン
コアビタシオン carries a foreign, often social-science or political nuance, whereas 共同生活 is a neutral, native term for shared or communal living not limited to couples.
同どう居きょN1
同居 usually refers to sharing a single household, while 共同生活 more broadly describes communal living, as in a dorm or shared house with several people.

Compound of 共同 (きょうどう, 'joint, cooperative') and 生活 (せいかつ, 'life, living').