This is the 11439th most frequent Swedish word.
nycklarna
"The keys."
In this sentence, 'nycklarna' is the definite plural form of 'nyckel' (key), used to specify a particular set of keys.
Jag har tappat nycklarna till bilen.
I have lost the keys to the car.
Here, 'nycklarna' refers to a specific group of keys associated with the apartment.
Nycklarna till lägenheten ligger på bordet.
The apartment keys are on the table.
In this example, 'nycklarna' is used in asking about the whereabouts of a specific set of keys.