This is the 2464th most frequent Turkish word.
kayıp
"Loss" or "missing."
In this sentence, 'kayıp' is used as an adjective to describe a state of being missing or lost.
Evde bir şey kayıp.
Something is missing at home.
Here, 'kayıp' serves to indicate a lost state, requiring an auxiliary verb to complete the meaning.
Çocuğum kayıp oldu.
My child became lost.
In this context, 'kayıp' is used as a noun to denote a loss of physical or emotional importance.