All the spells of the movies and books, in alphabetic order:
Aberto
This spell presumably opens objects such as doors and windows. This spell was first seen in Fantastic Beasts and Where to Find Them by Queenie Goldstein.
Accio
This charm summons an object to the caster, potentially over a significant distance. Its opposite is the Banishing Charm.
Age line spell
Creates a thin, shimmering line that can only be passed by people of a set age.
Aguamenti
Produces a jet of water from the caster’s wand.
Alohomora
Used to open and/or unlock doors, but doors can be bewitched so that this spell has no effect.
Alarte Ascendare
This spell is used to shoot the target object into the air.
Anapneo
Clears the target’s airway, if blocked.
Anteoculatia
This hex is used to turn a person’s hair into antlers.
Aqua Eructo
This spell is used to create, and control, a jet of clear water from the tip of the wand; it is probably related to Aguamenti.
Arania Exumai
This spell is used to blast away Acromantulas and, presumably, all other arachnids.
Arresto Momentum
Used to decrease the velocity of a moving target; it should be noted that it can be used on multiple targets, as well as on the caster himself.
Ascendio
Lifts the caster high into the air.
Avada Kedavra
Causes instant, painless death to whomever the curse hits. There is no countercurse or method of blocking this spell; however, if someone sacrifices their life for someone else, the person who was saved will not encounter any adverse effects of any curses by the specific attacker.
Avifors
Transforms the target into a bird.
Avis
This charm creates a flock of birds from the caster’s wand. When coupled with Oppugno, it can be used offensively.
Blocked Barrier
It seals portals and magic barriers to evit the acces to magic places.
Baubillious
The exact effects of the spell are unknown, though it presumably is of damaging nature and it produces a bolt of white light from the tip of the wand.
Bauleo
This spell makes that a group opf objects orders themself inside a trunk.
Enchanted snowballs
Bewitch the snowballs to made them throw to an specific object.
Bombarda
Provokes a small explosion.
Bombarda Maxima
Creates a large explosion capable of removing entire walls.
Brackium Emendo
If used correctly, it is claimed that this spell will heal broken bones; this theory is supported by the etymology.
Calvorio
This evil spell cause the victim’s hair fall down let him bald.
Cantis
Force people and objects to sing.
Capacious Extremis
Permit to increase the internal dimensions of an object, without modifying the external appearance.
Carpe Retractum
Creates a magic rope from the end of the wand, that permit pull far objects to the thrower, or pull the user to the object in what the spell is used.
Cave Inimicum
Spell used to strengthen an enclosure from enemies.
Confringo
Causes anything that the spell meets to explode in flames.
Confundo
Causes the victim to become confused, befuddled, overly forgetful and prone to follow simple orders without thinking about them.
Crucio
Inflicts unbearable pain on the recipient of the curse. One of the three Unforgivable Curses. Only works if the caster truly desires to inflict pain on the victim.
Defodio
Can carve or dig out materials, such as stone and steel.
Deletrius
Removes or dismisses the effect of Prior Incantato.
Densaugeo
Causes the teeth of the recipient to grow at an alarming rate.
Deprimo
A very powerful wind that can loosen and/or soften a variety of things; it can also be used to detach objects.
Descendo
Makes things sink, or go down.
Desmaius
It leaves unconscious the victim and can stop objects in movement.
Duro
Makes the object hard.
Engorgio
Causes objects to swell in size.
Episkey
Used to heal relatively minor injuries. When this spell is cast, the person feels his/her injured body part go very hot and then very cold.
Expecto Patronum
Conjures an incarnation of the caster’s innermost positive feelings, such as joy or hope, known as a Patronus. A Patronus is conjured as a protector, and is a weapon rather than a predator of souls: Patronuses shield their conjurors from Dementors or Lethifolds, and can even drive them away. They are also used amongst the Order of the Phoenix to send messages. According to Fantastic Beasts and Where to Find Them, the Charm is the only known defensive spell against Lethifolds.
Expelliarmus
This spell is used to disarm another wizard, typically by causing the victim’s wand to fly out of reach.
Expulso
A spell that causes an object to explode. The force of the explosion may depend on the intent of the caster.
Ferula
Creates a bandage and a splint.
Fidelio
A charm involving secret information hidden within the soul of a Secret-Keeper. This information is irretrievable until the Secret-Keeper chooses to reveal it; those who have the secret revealed to them cannot reveal it to others.
Finestra
Destroys the windows’ crystals and return to dust.
Flagrate
With this spell, the caster’s wand can leave fiery marks.
Flipendo
Used to send an enemy flying or flipping through the air.
Evil Fire
Creates a fire with an animal or beast form, profaned with dark magic. This spell is very powerful and dangerous, and is one of the limited things that can destroy horrocruxes.
Geminio
Creates a duplicate of any object upon which it is cast. As revealed by the goblin Griphook, any copies created are worthless. The duplicate lasts several hours. Magical properties, at least of a Horcrux, are not copied.
Glisseo
Causes the steps on a stairway to flatten and form a ramp or slide.
Reveals humans near the caster.
Homorphus
Causes an Animagus or transfigured object to assume its normal shape.
Impedimenta
This powerful spell is capable of tripping, freezing, binding, knocking back and generally impeding the target’s progress towards the caster. The extent to which the spell’s specific action can be controlled by the caster is not made clear. If this spell does bind, it does eventually wear off as stated in Deathly Hallows.
Imperio
Causes the victim of the curse to obey the spoken/unspoken commands of the caster. The experience of being controlled by this curse is described as a complete, wonderful release from any sense of responsibility or worry over one’s actions, at the price of one’s free will. Resisting the effect of the curse is possible, however, and several individuals have been able to successfully overcome it, including Harry and both of the Crouches, who learn to resist the curse after being subjected to its effects for an extended period. Harry describes the feeling of being the caster as controlling a marionette through a wand (although Harry’s particular experience is suspect due to his lack of commitment to casting Unforgivable Curses). One of the three Unforgivable Curses
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Impervius
This spell makes something repel substances and outside forces, including water.
Incarcerous
Ties someone or something up with ropes.
Incendio
Produces fire. Flames burst out flying.
Levicorpus
The victim is dangled upside-down by one of his/her ankles, sometimes accompanied by a flash of white light. Created by Severus Snape. Its counter curse is Liberacorpus.
Liberacorpus
The counter spell to Levicorpus. Created by Severus Snape.
Locomotor
The spell is always used with the name of a target, at which the wand is pointed (e.g. “Locomotor Trunk!”). The spell causes the named object to rise in the air and move around at the will of the caster.
Lumos
Creates a narrow beam of light that shines from the wand’s tip, like a torch.
Mobiliarbus
Lifts a tree a few inches off the ground and levitates it to where the caster points his or her wand.
Mobilicorpus
Lifts a body a few inches off the ground and levitates it where the caster points his or her wand.
Molliare
Cushions the body in event of a fall.
Morsmordre
Conjures the Dark Mark, Voldemort’s mark. It is often used to mark deaths, or cause terror (as at the Quidditch World Cup in The Goblet of Fire).
Muffliato
Keeps nearby people, or those to whom the wand is directed, from hearing nearby conversations.
Nox
Counter charm to the Lumos spell.
Obliviate
Used to hide a memory of a particular event.
Obscuro
Causes a blindfold to appear over the victim’s eyes, obstructing his/her view of his/her surroundings.
Oppugno
Causes conjured objects to attack.
Orchideous
Makes a bouquet of flowers appear out of the caster’s wand.
Partis Temporus
Produce a temporary opening in the magic barriers.
Pericullum
This spell produce a red light from the end of the wand.
Petrificus Totalus
Used to temporarily bind the victim’s body in a position much like that of a soldier at attention; this spell does not restrict breathing or seeing, and the victim will usually fall to the ground.
Piertotum Locomotor
Spell used to animate statues and suits of armour to do the caster’s bidding.
Prior Incantato
This spell is used to know the last spell that was made with that wand.
Protego
Produce an invisible barrier that permits to locked some enemies spells.
Protego Horribilis
Provides some form of protection against Dark Magic.
Protego Totalum
Provides protection of some form for an area or dwelling.
Quietus
Makes a magically magnified voice return to normal.
Reducto
Enables the caster to explode solid objects.
Relashio
A charm used to force someone or something to release that which it holds or grapples by means of shooting fiery sparks out or, underwater, shooting hot bursts of water.
Rennervate
Brings someone out of unconsciousness.
Reparo
Used to repair broken or damaged objects.
Repello Muggletum
Keeps Muggles away from wizarding places by causing them to remember important meetings they missed and to cause the Muggles in question to forget what they were doing in the first place.
Rictusempra
The subject experiences the sensation of being tickled.
Riddikulus
A spell used when fighting a Boggart, “Riddikulus” forces the Boggart to take the appearance of an object upon which the caster is concentrating. When used correctly, this will be a humorous form.
Salvio Hexia
Provides some form of protection against hexes.
Sectumsempra
Violently wounds the target; described as being as though the subject had been “slashed by a sword”. Created by Severus Snape.
Serpensortia
Conjures a serpent from the spell caster’s wand.
Silencio
Silences something immediately.
Sonorus
Magnifies the spell caster’s voice, functioning as a magical megaphone.
Specialis Revelio
Causes an object to show its hidden secrets or magical properties.
Tarantallegra
Makes victim’s legs dance uncontrollably, so the victim cannot control his or her movements.
Tergeo
Siphons material from a surface.
Titillando
Causes tickling and makes weacker his/her victim.
Vera Verto
This transformation spell converts an animal in a coup. It requirs three touches in the animal with the wand.
Vipera Evanesca
Permits to an invoke snake disappear magically.
Vulnera Sanentur
This spell treated wounds and deep injuries.
Wingardium Leviosa
Levitates objects.