transcription, транскрипция: [ koʊ- ]
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.
co- is used to form nouns that refer to people who share a job or task with someone else.
His co-workers hated him...
He is now co-partner in a new property company.