This is the 9043rd most frequent Swedish word.
dödsolyckan
A fatal accident.
In this sentence, "dödsolyckan" is used as part of a prepositional phrase indicating the topic that is being reported.
Rapporter om dödsolyckan spreds snabbt i nyheterna.
Reports of the fatal accident quickly spread in the news.
Here, "dödsolyckan" is an object in the sentence describing what the authorities are investigating.
Myndigheterna undersöker fortfarande orsaken till dödsolyckan.
The authorities are still investigating the cause of the fatal accident.
The word "dödsolyckan" is used here as the subject of the sentence referring to a specific tragic event involving a fatality.