This is the 591st most frequent Turkish word.
çocuk
Child.
The word 'çocuk' here refers to a single child, typically a young person, as the subject of the sentence.
Bu çocuk çok hızlı koşuyor.
This child is running very fast.
The word 'çocuk' is used in a general, abstract sense here, referring to the concept of childhood or being a child.
Çocuk olmak, hayal gücünü özgür bırakmaktır.
Being a child is to let your imagination free.
The word 'çocukları' is the plural form of 'çocuk' (Children) and indicates that multiple children are involved, in the accusative case here.