This is the 11673rd most frequent Swedish word.
pappas
"Father's" (possessive form of "pappa" meaning "dad").
The word 'pappas' functions as a possessive form of 'pappa', indicating ownership of the car by the speaker's father.
Min pappas bil är röd.
My dad's car is red.
Here, 'pappas' again shows possession, specifying that the garden belongs to 'dad'.
Barnen lekte i pappas trädgård.
The children played in dad's garden.
In this sentence, 'pappas' indicates that the storage is owned by 'dad', as a possessive form.