Fenris

Borrowed from Swedish Fenris.

Fenris

1. Alternative form of Fenrir.
   • 1996, John Grant, An Introduction to Viking Mythology‎^[1], page 15:

     He will slay Fenris (q.v.), survive Ragnarok and avenge the death of Odin.

   • 2000, Vic Parker, Traditional Tales from Norse Lands‎^[2], page 20:

     Finally, Odin caught Fenris the wolf cub and dragged the howling, struggling beast back home to Asgard.

   • 2009, Andrew Donskin, Viking Blood: Tor Scaldbane, Scandinavia 1008 AD‎^[3], page 2:

     I wanted to struggle against this beast like Odin fighting Fenris at the end of days, but I knew that like him, I would lose.

Swedish Wikipedia has an article on:

Fenris

Wikipedia ^sv

Fenris m (genitive Fenris)

1. Fenrir

   Synonyms: (more common) Fenrisulven, Fenrir