This is the 3990th most frequent Dutch word.
zusje
Little sister.
The word 'zusje' is used here to refer affectionately to one's younger sister, often implying closeness and endearment.
Mijn zusje houdt van schilderen in haar vrije tijd.
My little sister enjoys painting in her free time.
In this sentence, 'zusje' highlights the familial relationship between siblings, with an emphasis on the younger sibling.
Ik heb mijn zusje een cadeau gegeven voor haar verjaardag.
I gave my little sister a gift for her birthday.
Here, 'zusje' is employed simply to denote a younger sister, including details of her activity to provide context.