Alohomora- Spell used to unlock doors.
Aparecium- This spell was used to reveal invisible ink
Avada Kedavra- Killing curse that will get you a life sentence in Azkaban if used. 1 of 3 unforgivable curses.
Avis- Spell that makes birds burst from your wand
Colloportus- Opposite of Alohomora. Used to lock doors.
Crucio- Torture curse used to cause "ultimate pain". 1 of 3 unforgivable curses. (Life sentence in Azkaban if used)
Deletrius- Ends Priori Incantatem. (Counter spell)
Densaugeo- Offensive spell that enlarges front teeth.
Diffindo- Severing charm. Basically, cuts things. (I'm not sure if you can use it offensively)
Dissendium- Used to open witch statues hump to get sneak into Hogsmeade.
Engorgio- Enlarges objects. (Countered with Reducio)
Enneverate- Spell that awakes vicitims stunned with Stupefy. (Counter spell)
Evanesco- Banishing spell.
Expecto Patronum- Summons a patronus, a force used to repel dementors.
Expelliarmus- Disarms opponent, making their wand fly fromt heir hands. (Contrary to the third Harry Potter game- at least for PS2- it does NOT reflect spells. That is Protego)
Ferula- Summons bandages for injuries from your wand.
Finite Incantatem- Spell used to end all spells in progress. You can also simply say "Finite."
Flagrate- Summons a flaming red X.
Furnunculus- Offensive spell that summons boils on victims
Impedimenta- The Impediment Curse. Slows down victims temporarily.
Imperio- The Imperius Curse. Allows you to command the victim to do whatever you say. 1 of 3 unforgivable curses (Life sentence in Azkaban if used)
Impervius- Charm used to repel water off of an object.
Incarcerous- Binds victim with ropes summoned from your wand.
Incendio- Spells that starts a fire.
Legilimens- Used on opponent to see their thoughts and memories.
Locomotor- Moves an object. Used by saying "Locomotor -object-".
Locomotor Mortis- Leg locker curse. Makes it so you can't move your legs temporarily.
Lumos- Creates a light at the tip of your wand.
Mobiliarbus- See Locomotor.
Mobilicorpus- Same as Locomotor and Mobiliarbus except used on unconcious people.
Morsmorde- Shoots the dark mark into the sky.
Nox- Ends Lumos. (Counter spell)
Obliviate- Erases memory. Effects vary depending on the strength of the charm.
Orchideous- Summons flowers from at the tip of your wand.
Peskipiksi Pesternomi- As far as I know, nothing. It may ward off pixies, but when Lockhart cast it was ineffective. (What's new with Lockhart)
Petrificus Totalus- Full Body Bind. Snaps victims arms and legs together so they can't move.
Portus- Turns an object into a port key, an object that teleports a person to a specific place.
Prior Incantato- Shows the last spell cast from your wand.
Protego- Shielding Charm that reflects spells back at opponent.
Quietus- Ends sonorus. (Counter spell)