This is the 12848th most frequent Turkish word.
işbirliğine
"Collaboration" or "cooperation."
The word 'işbirliğine' here denotes entering into a state or intention of collaboration or cooperation.
Biz bu projede işbirliğine gönüllüyüz.
We are willing to collaborate in this project.
In this case, 'işbirliğine' implies the value or significance given to cooperation.
Toplumun gelişimi için işbirliğine önem vermeliyiz.
We should value cooperation for the development of the society.
'İşbirliğine' here signifies starting or initiating a collaborative relationship.