Accio Summons an object
Alohomora Opens locked objects
Aparecium Reveals invisible ink
Avada Kadavra Murders opponent Unforgivable
Avifors Turns small objects into birds.
Avis Launches birds from your wand
Crucio Tortures opponent Unforgivable
Confundus Used to confuse opponent
Conjunctivitis Damages opponents eyesight
Deletrius Counters "Prior Incatato"
Densaugeo Enlarges Teeth
Diffindo Splits seams
Dissendium Opens "One eyed witch" hump
Engorgio Enlarges and item
Ennervate Counters Stupefy
Expecto Patronum Creates a Patronus
Expelliarmus Disarms your opponent
Ferula Creates bandages
Fidelius Hides a secret within someone
Finite Incantatum Stops any current spells
Flipendo Knocks an object backwards
Furnunculus Produces boils on opponent
Immobulus Renders target immobile.
Impedimenta Slows an advancing object
Imperio Controls a person Unforgivable
Impervius Makes an object repel water
Incendio Starts a fire
Legilimens Allows the caster to delve into the mind of the victim
Locomotor Mortis Locks opponents legs
Lumos Creates light at wand tip
Mobiliarbus Moves objects with wand
Mobilicorpus Moves unconscious bodies
Nox Counter to Lumos
Obliviate Erases memories
Orchideous Conjures a bunch of flowers
Petrificus Totalus Body - Bind
Point Me Wand acts like a compass
Priori Incantatum Result when brother wands duel
Prior Incantato Reveals a wands last spell / cast
Protego Cause spells to reflect back to the sender.
Quietus Counter spell for Sonorus
Reducio Returns items to original size. Counters Engorgio
Reducto Blasts solid objects aside
Relashio Releases user from binding
Repairo Repairs Things
Rictusempra Tickles opponent
Riddikulus Use this spell and laugh to defeat a boggart
Scruge Destroys ectoplasm (remains of ghosts)
Serpensortia Produces Snake
Sonorus Amplifies voice
Stupefy Knocks out opponent
Tarantallegra Forces opponent to dance
Waddiwasi Spell Unsticks an object
Wingardium Leviosa Makes on object fly
I will make sure that my dorm Gryffindor students learns most of this spells