Couldn't find another topic on this so I thought I'd do a little anolysis of the progression of ES games since Daggerfall and how the skills have been streamlined, then use that to try and predict how they will present the 18 skills in Skyrim.
Information gathered from UESP.
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DAGGERFALL = 35 Skills
STRENGTH = Axe, Blunt Weapon, Climbing, Jumping, Long Blade
AGILITY = Archery, Backstabbing, Critical Strike, Hand-to-Hand, Pickpocket, Short Blade, Stealth
ENDURANCE = Swimming
INTELLIGENCE = Centauian, Daedric, Dragonish, Giantish, Harpy, Impish, Lockpicking, Medical, Nymph, Orcish, Spriggan
WILLPOWER = Alteration, Destruction, Illusion, Mysticism, Restoration, Thaumaturgy
PERSONALITY = Etiquette, Mercantile, Streetwise
SPEED =
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MORROWIND = 27 Skills
STRENGTH = Acrobatics, Armorer, Axe, Blunt Weapon, Long Blade
AGILITY = Archery, Backstabbing, Critical Strike, Hand-to-Hand, Pickpocket, Short Blade, Stealth
SPEED =
ENDURANCE = Swimming
INTELLIGENCE = Centauian, Daedric, Dragonish, Giantish, Harpy, Impish, Lockpicking, Medical, Nymph, Orcish, Spriggan
WILLPOWER = Alteration, Destruction, Illusion, Mysticism, Restoration, Thaumaturgy
PERSONALITY = Etiquette, Mercantile, Streetwise