Translation guide
The English word 'collaboration' covers a range of joint activities, from formal business partnerships to creative teamwork and even negative cooperation with an enemy. Japanese uses different words depending on the nuance.
General cooperation between people or groups to achieve a shared goal, often in business, academic, or creative contexts.
The most common and versatile word for cooperation or collaboration. It implies working together toward a common goal. Can be used as a noun or with する to form a verb.
This project was realized through the collaboration of two companies.
International cooperation is important for peace.
Literally 'joint work', emphasizes the act of working together physically or on a shared task. Often used for hands-on or creative collaboration.
This painting is a collaboration between two artists.
Loanword from English, often shortened to コラボ. Very common in marketing, fashion, music, and pop culture for special collaborative products or events.
A collaboration between that brand and a famous artist was announced.
Implies close coordination and linkage, often used in business, technology, or organizational contexts where systems or groups work in tandem.
We need to strengthen collaboration between departments.
Two or more creators (artists, musicians, writers) producing a joint work.
Specifically refers to a jointly created work (co-production, co-writing). Used for songs, books, artworks, etc.
This song is a collaboration between two composers.
Casual abbreviation of コラボレーション, extremely common in entertainment and social media for any kind of collaboration.
Similar to 共作, but often used for joint works in art, film, or literature. Can also imply a collaborative project.
Negative sense: cooperating treasonously with an enemy or oppressor.
The verb form of 協力 can be used in negative contexts when modified, e.g., 敵に協力する (collaborate with the enemy). Context makes the negative nuance clear.
He was criticized for collaborating with the occupying forces.
Specifically means secret communication or collusion with the enemy; treasonous collaboration. Strongly negative.
Formal term for 'acts benefiting the enemy', used in legal or military contexts for collaborationism.
協力 is a general, serious word for cooperation in any field. コラボ (collaboration) is a trendy loanword used mainly for commercial, artistic, or entertainment partnerships. Use コラボ for fun, limited-time projects; use 協力 for ongoing teamwork or formal cooperation.
While 協力 can be used for negative collaboration, it is neutral by itself. To express the negative sense clearly, add context like 敵に (with the enemy) or use stronger words like 内通.
Collaboration videos between YouTubers are popular.
この映画は日米合作です。
This film is a Japan-US collaboration.
スパイが敵と内通していた。
The spy was collaborating with the enemy.
During the war, collaboration with the enemy was a serious crime.