Spells Cast by Harry Potter:
Accio
A spell to bring an object back into your hand. It is better to summon close objects because it would be odd for a muggle to spot (lets say a broomstick, like Harry in Goblet of Fire) broomstick flying through the air.
Alohomora
This spell opens a locked or closed door. The opposite is Colloportus (to lock a door shut)
Avada Kedevra
One of the three Unforgivable Curses (the others include Crucio and Imperio), this spell causes death instantly. The person (or thing) on the receiving end will feel no pain.
Colloportus
This spell locks a door shut. Hermoine uses this to cover their escape at the end of Book 5.
Crucio
One of the three Unforgivable Curses (the others are Avada Kedevra and Imperio). This spell will cause unthinkable pain in the victim.
Expecto Patronum
This spell produces a silvery protective creature, a patronus. It repels dementors. Harry's patronus is a stag; Cho's is a swan. Hermoine has an Otter, Ron has a Golden Retriver, Luna has a Rabbit.
Expelliarmus
This disarms your opponent.
Finite
A spell to stop any effects of/from another spell.
Flagrate
A form of fire spell. Can be used to form marks on objects.
Flipendo
A simple spell that flips something over.
Impedimenta
This spell causes a person to freeze for about a minute.
Imperio
One of the three Unforgivable Curses (the others are Avada Kedevra and Crucio), this allows a wizard to take total control of another persons actions. The person however still has their own thoughts but are unable to control themselves.
Impervius
A spell to cause an invisible wall to form. Quidditch players use this to keep the rain off their faces at times when there is heavy rain.
Incarcerous
This spell wraps ropes around the person. However they can easily be shaken off.
Incendio
A spell to cause a fire to burn.
Legilimens
A spell to extract memories and feelings from another person, to in essence look through the memories another has.
Levicorus
A nonverbal spell to hang a person in the air by one ankle. Was popular during James and Snapes time a Hogwarts
Locomotor
The locomotor spell causes something to move in a given direction. For example, to move trunks along with you, you would command Locomotor trunks. To cause someone to freeze stiff, you use Locomotor mortis.
Lumos
This spell causes the wand tips to glow and give off light.
Morsmordre
A dark spell that causes a dark mark - the sign of Voldemort - to appear.
Muffiato
A spell that fills the ears of anyone nearby with buzzing, so that conversations are not overheard.
Nox
A spell to cause darkness, the opposite of Lumos. Interestingly, the name of a fun computer RPG.
Obliviate
A memory erasing charm that Professor Lockhart was extremely fond of (practically the spell he was good at too!).
Petrificus Totalis
A spell to cause someone to freeze completely. It seems there are several different spells that cause this same effect
Portus
The portus spell creates a portkey that allows people to move from one destination to another easily.
Protego
A spell of protection, to ward off magical attack.
Reducto
An assault spell, reducto causes damage to what it is fired at. The students use Reducto to blow apart bookshelves at the end of Book 5.
Reparo
A simple spell to repair an object that is broken.Thsi does not work on all items, such as ones damaged with strong spells (like Harry's wand in Deathly Hallows)
Riddikulus
An anti-boggart spell, that causes the boggart's scary shape-changing ability to changed.
Scourgify
A cleaning spell.
Silencio
A spell to cause something (or someone) to become silent.
Stupefy
This spell should freeze an object in place, but when Umbridge tries to use it on an escapee firework, it explodes instead.
Tarantallegra
A dance-causing spell.
Wingardium Leviosa
To make a object float in the air.
