co-

[[t]ko͟ʊ-[/t]]

1) PREFIX co- is used to form verbs or nouns that refer to people sharing things or doing things together.

...commercial co-operation between the two countries...

He co-produced the album with Bowie.

2) PREFIX co- is used to form nouns that refer to people who share a job or task with someone else.

His co-workers hated him...

Quincy Barnes is co-partner of a San Antonio firm that organizes trade shows.