This is the 64th most frequent Azerbaijani word.
iştirak
Participation.
The word 'iştirak' in this sentence is used as a noun, meaning 'participation' or 'involvement'.
Bu tədbirdə iştirak etmək vacibdir.
It is important to participate in this event.
Here, 'iştirak' is used in a verbal noun form, emphasizing the act of being involved.
Onun iştirak etməsi layihəni xeyli irəlilədib.
His involvement has significantly advanced the project.
In this case, 'iştirak' refers to an abstract portion or share in an activity or decision.