A

Aberto - Opens locked doors

Accio - Summons objects

Aguamenti - Summons water

Alohomora - Unlocks objects

Anapneo - Clears someone's airway

Aparecium - Reveals secret, written messages

Apparate - A non-verbal transportation spell that allows a witch or wizard to instantly travel on the spot and appear at another location (disapparate is the opposite)

Ascendio - Propells someone into the air

*Avada Kedavra - Also known as The Killing Curse, the most evil spell in the Wizarding World; one of three Unforgivable Curses; Harry Potter is the only known witch or wizard to survive it

Avis - Conjures a small flock of birds

B

Bat-Bogey Hex - Turns the target's boogers into bats

Bombardo - Creates an explosion

Brackium Emendo - Heals broken bones

C

Capacious Extremis - Known as the Extension Charm, it's a complicated spell that can greatly expand or extend the capacity of an object or space without affecting it externally

Confundo - Known as the Confundus Charm, it causes confusion of the target

Conjunctivitis Curse - Affects the eyes and sight of a target

Crinus Muto - Changes hair color and style

*Crucio - One of three Unforgivable Curses, it causes unbearable pain in the target

D

Diffindo - Used to precisely cut an object

Disillusionment Charm - Causes the target to take on the appearance of its surroundings

Disapparate - A non-verbal transportation spell that allows a witch or wizard to instantly travel on the spot and leave for another location (s apparate)

E

Engorgio - Causes rapid growth in the targeted object

Episkey - Heals minor injuries

Expecto patronum - The Patronus Charm is a powerful projection of hope and happiness that drives away Dementors; a corpeal Patronus takes the the respective animal form of the caster, while a non-corpeal appears as a wisp of light; at 13, Harry Potter was the youngest known witch or wizard to produce a corpeal Patronus

Erecto - Allows a witch or wizard to build a structure, like a tent

Evanesco - Vanishes objects

Expelliarmus - Forces an opponent to drop whatever's in their possession

F

Ferula - A healing charm that conjures wraps and bandages for wounds

Fidelius Charm - A complex charm that conceals a secret into the soul of a chosen "Secret Keeper;" if a location is the subject of concealment, it becomes undetectable to others

Fiendfyre Curse - Conjures destructive, enormous enchanted flames

Finite Incantatem - A general counter-spell that's used to reverse or counter already cast charms

Furnunculus Curse - A jinx that causes a breakout of boils or pimples

G

Geminio - Duplicates objects

Glisseo - Transforms a staircase into a slide

H

Homenum Revelio - Reveals the presence of another person

Homonculus Charm - Detects anyone's true identity and location on a piece of parchment; used to create the Marauder's Map

I

Immobulus - Immobilises living targets

Impedimenta - A temporary jinx that slows the movement of the target

Incarcerous - Conjures ropes

*Imperio - One of the three Unforgivable Curses, it places the target under the complete control of the caster

Impervius - Makes an object waterproof

Incendio - Conjures flames

L

Langlock - Causes the target's tongue to stick to the roof of their mouth

Legilimens - Invading or navigating another's mind

Levicorpus - Levitates the target by their ankle

Locomotor Mortis - The Leg-Locker curse bounds the target's legs

Lumos - Illuminates the caster's wand

M

*Morsmordre - Conjures and projects Lord Voldemort's Dark Mark

Mucus Ad Nauseam - Inflicts an extreme runny nose or cold

Muffliato - Creates a buzzing sound in the target's ears to prevent eavesdropping

N

Nox - Reverses the lumos charm, extinguishing a wand's light

O

Obliviate - Erases the target's memory

Obscuro - Conjures a blindfold

Oculus Reparo - Repairs eyeglasses

Oppugno - Directs an object or person to attack a victim

P

Petrificus Totalus - Temporarily freezes or petrifies the body of the target

Periculum - Conjures flares/red sparks

Piertotum Locomotor - Incantation used to bring to life inanimate objects and artifacts

Protean Charm - Links objects together for better communication

Protego - Casts an invisible shield around the caster, protecting against spells and objects (except for The Killing Curse)

R

Reducto - Reduces the target to pieces

Reducio - Shrinks an enlarged object to its regular size

Renneverate - Awakens or revives the target

Reparifors - Heals magical ailments like poisoning or paralysis

Reparo - Fixes broken objects

Rictusempra - A charm that disarms an opponent by tickling them

Riddikulus - Used to defeat a Boggart, the charm allows the scary creature to assume a comedic form, disarming it

S

Scourgify - Cleans objects

*Sectumsempra - Inflicts severe lacerations and haemorrhaging on the target

Serpensortia - Conjures a live snake

Silencio - Silences the target

Sonorus - Amplifies the witch or wizard's voice

Spongify - Softens the target

Stupefy - The Stunning spell freezes objects and renders living targets unconscious

T

Tarantallegra - Aimed at the legs, causes uncontrollable dancing movement

U

Unbreakable Vow - A magically binding contract that results in the death of whoever breaks it

W

Wingardium Leviosa - Causes an object to levitate; but remember what Hermione said: "'It's Wing-gar-dium Levi-o-sa, make the 'gar' nice and long.'"