The court summoned the co-respondent to testify about the alleged affair.

Finding a co-prime to a given integer is useful in cryptography.

We will co-report the results of the investigation to the board next week.

The co-organiser of the charity gala coordinated volunteers and sponsors to ensure the event's success.

The committee introduced a co-optative clause to allow members to invite experts onto the board.

The co-screenwriter stayed up all night revising the dialogue before the shoot.

We plan to co-author the review article next spring.

My co-author and I spent the weekend revising the manuscript.

The nonprofit served as a co-sponsor of the community cleanup, providing supplies and volunteers.

Several senators agreed to co-sponsor the amended bill before the vote.