This is the 7463rd most frequent Swedish word.
spionbrödernas
"Spionbrödernas" translates to "the spy brothers'" (possessive form).
In this usage, 'spionbrödernas' describes that the mentioned chief is associated with the spy brothers.
Under en spänd kväll utförde spionbrödernas chef en riskfylld operation.
During a tense night, the spy brothers' chief performed a risky operation.
'Spionbrödernas' here denotes that the adventure story belongs to or is about the spy brothers.
Berättelsen om spionbrödernas äventyr fascinerar unga läsare.
The tale of the spy brothers' adventure fascinates young readers.
Here, 'spionbrödernas' is a possessive plural noun indicating that the secret base belongs to the spy brothers.