While trying to understand things like Talos and Pelinal again, I was overlooking various books, and I read the http://www.uesp.net/wiki/Lore:Five_Songs_of_King_Wulfharth. But what struck me as the most interesting thing was the third song, Old Knocker.

Its says that Arkay (Orkey) was an enemy god to the Nords. I can understand it if the Nords perceive him as being a harsh god (living in the harsh land of Skyrim and so having not that long lifespans) but an enemy? If so, why is there a Hall of the Dead in every city - or is it that the priest and shrine of Arkay are more recent additions? Did the ancient nords take the matter of death into their own hands rather than hand it over to Arkay - and so this is why all of their ruins are sealed tombs, and why there are so many draugr about rather than dead bodies. But this still doesn't explain Sovngarde - is this then a way of bypassing Arkay?

These may be just stories, but I assume the fact that Orkey is (or was) an enemy of the Nords is rooted in fact. This next issue probably isn't (if so, I'd like to hear what you have to say). Not, that Aldiun "ate" everyone into six year olds, it's the fact that Alduin was there at all. Apparently, Orkey summoned a "ghost" of Alduin. But we now know Alduin didn't die, he was sent foward in time. But it says this :

"Shor's own ghost then fought the Time-Eater on the spirit plane, as he did at the beginning of time, and he won, and Orkey's folk, the Orcs, were ruined".

Is this just a symbolic battle then? If so, i'm guessing the Dragonborn mantled Shor in Sovngarde (he's apparently mantled Talos during the Civil War, and now Shor, not bad) what confuses me is - why are Orkey's folk the orcs?

He's still god of life and death, so the nords need priests who can appease him, even if he is a villain.

Also note the conflation of Arkay with Malacath, patron of Orcs.

Why? Arkay is harder on the orcs due to their short lifespans, so it is just Nord ignorance?

I suspect it's a backformation from the similarity of "Orkey" to "Orc." False backformations are common in real world myth. It's primarily important because a false backformation is a sign that the author is working at second- or third-hand.

Akatosh's son ascendent, Akatosh's champion descendent. Both enemies of men, corrupters of Orcs.

Orkey is directly associated with Malacath in one book. I forget which one it is, though. Something about his titanic battles with Shor being legendary.