This is the 686th most frequent Croatian word.
kuću
"Kuću" means "house" in the accusative case in Croatian.
'kuću' is the accusative case form of 'kuća', used here to indicate the destination of movement.
Idem kuću svaki dan.
I go home every day.
'kuću' is the accusative case form of 'kuća', here used as the direct object of the sentence.
Vidim veliku kuću na brdu.
I see a big house on the hill.
'kući' represents the locative case of 'kuća', indicating the location where the action takes place.