koc

koc

Blanket.

Here, 'kocem' is the instrumental case form of 'koc', used to describe the item being used to perform an action, in this case, to cover oneself.

Przykryłem się kocem, bo było mi zimno.

I covered myself with a blanket because I was cold.

In this sentence, 'koc' is in its nominative form as the subject of the action of placing.

Położyłem koc na kanapie.

I put the blanket on the couch.

Here, 'koca' is the genitive case form of 'koc', signaling possession or lack thereof for the noun.

Nie mogę znaleźć mojego ulubionego koca.

I cannot find my favorite blanket.