This is the 3378th most frequent Swedish word.
avliden
Deceased.
The word "avliden" serves as an adjective here to describe the person's state.
Han är avliden sedan många år tillbaka.
He has been deceased for many years.
Here, "avliden" functions as an attributive adjective modifying the noun "relative".
De talade om en avliden släkting.
They talked about a deceased relative.
The term "avlidna" is used as a plural adjective referring to a group of deceased individuals.