collaborate
- co-operate
‘collaborate’
When people collaborate on a project, they work together in order to produce something. For example, two writers can collaborate to produce a single piece of writing.
Anthony and I are collaborating on a paper for the conference.
The film was directed by Carl Jones, who collaborated with Rudy de Luca in writing it.
‘co-operate’
When people co-operate, they help each other.
...an example of the way in which human beings can co-operate for the common good.
If you co-operate with someone who asks for your help, you help them.
The editors agreed to co-operate.
I couldn't get the RAF to co-operate.
The spelling cooperate is sometimes used, and is preferred in American English.
They are willing to cooperate in the training of medical personnel.