Not counting legendary Pokemon and their moves,
Blizzard: Ice
Thunder: Lightning
Megahorn: Bug
Head Smash/Rock Wrecker(Same base power): Rock
Earthquake: Ground
Focus Punch: Fighting
Gunk Shot: Poison
Sky Attack: Flying
Iron Tail: Steel
Foul Play: Dark
Listed by Sky Shaymin in comments:
Explosion: Normal
Stored Power: Psychic
Eruption(Blast Burn has same power but lower accuracy): Fire
Hydro Cannon(Water Spout has same base power but higher accuracy): Water
Frenzy Plant: Grass
Listed by Derp Pika in comments:
Draco meteor: Dragon
Shadow Force: Ghost
Moves that are stronger if Legendaries are taken into account.
V-Create: Fire/Victini
Roar of Time: Dragon/Dialga
Doom Desire: Steel/Jirachi
Freeze Shock: Ice/Kyurem
Bolt Strike: Electric/Zekrom
My Source: http://pokemondb.net/move/all
and
Experience