Accio - A summoning charm; Used like this: Accio (Item Name)!

Alohomora! - Unlocks doors

Aparecium! - Makes invisible ink appear

Avis! - Conjures birds

Deletrius! - Disintegrating spell

Densaugeo! - Makes the victims teeth enlarge

Diffindo! - Rips an object in half

Dissendium! - Opens a secret passageway to Hogsmeade

Enervate! - Revives someone

Engorgio! - Enlarges things

Expecto Patronum! - A silvery wall that stands between the wand bearer and a dementor

Expelliarmus! - Disarms whoever the wand is aimed at

Ferula! - Bandages a wounded body part on whoever the wand is aimed at

Finite Incantatem! - Can stop mass commotion

Furnunculus! - Gives you boyles (Thanks Dallin!)

Incendio! - Creates flames

Inpedimenta! - The Impediment Curse slows a object down

Impervious! - Repels water from whatever the bearers wand is aimed at

Locomotor Mortis! - Stops someone from moving their legs

Lumos! - Makes light come out of the end of the bearer's wand

Mobiliarbus! - Hovers objects

Mobilicorpus! - Creates invisible strings used to move things

Nox! - Puts out light from bearers wand

Obliviate! - Charm that distroys a person's memory

Orchideous! - Makes flowers come out of the bearer's wand

Peskipiksi Pesternomi! - Useless spell developed by Lockhart, supposed to round up pixies

Petrificus Totalus! - Full body-bind

Point Me! - Four point spell, points to north; Makes the bearer's wand act like a compass

Prior Incantato! - Reveals previous spell(s) conjured by a wand

Quietus! - Makes voice quieter

Reducio! - Decreases the size of something

Reducto! - The Reductor Curse blasts solid objects out of the way

Relashio! - Releases things

Reparo! - Fixes broken objects

Rictusempra! - Makes whoever bearers wand is aimed at laugh

Riddikulus! - A laughter charm

Serpensortia! - Makes a snake come out of the bearer's wand

Sonorus! - Makes the bearer's wand act as a microphone

Stupefy! - Stunning spell

Tarantallegra! - Makes a person dance uncontrollably; Makes whoever bearers wand is aimed at legs move

Waddiwasi! - Shoots objects at a high speed; In book 3 Professor Lupin uses it to send gum up Peeves nose

Wingardium Leviosa! - Makes things levitate

Unforgivable Curses

Imperio! - The Imperius Curse gives total control to the bearer of the wand

Crucio! - The Cruciatus Curse is total pain to receiver of the curse

Avanda Kedavara! - The Killing Curse

The Dark Mark

MORSMORDE! - Sends the Dark Mark into the sky