The two organizations co-sponsored the event.

The bill has multiple co-sponsors from both parties.

The organization co-sponsors various events throughout the year.

People with co-morbidities are at higher risk of developing complications.

The patient has a co-morbidity of diabetes and hypertension.

We co-teach the math class together.

They co-developed a new software application.

The company co-develops new products with its partners.

They are co-developing a new software application.

They co-developed the new software together.