Spells

Accioa charm that summons an object to your hand	Alohomoradoor- unlocking spell
Aparecium - used to make invisible ink... visible. Mouse over for effect	Apparate = a spell to transport oneself instantly to any destination. Apparating is difficult and must not be done without a licence from the Department of Magical Transportation. There is a danger of splinching.
Avada Kedavra = the killing curse (an Unforgivable Curse)	Avis - causes a flock of bird to fly out of the end of the caster's wand.
Bubble-Head Charm = a charm that produces a bubble of air around one's head, used for staying underwater for a period of time	Cheering Charm - a charm used to make people happy; in essence, "cheer you up"
Crucio = a painful curse (an Unforgivable Curse) known as the Cruciatus Curse	Deletrius = a spell to make a ghostly object vanish
Densaugeo = a spell causing teeth to grow	Diffendo - breaks things; is especially adept at splitting apart seams.
Disapparate = a spell to make one disappear at will Mouse over Cam to make him disappear	Dissendium = spell that opens entrance to secret passage to Hogsmeade
Enervate = a charm to re-energize a person	Engorgio - enlarges the entire target Mouse over Harry to see effect
Expecto Patronum = spell to guard against the Dementors	Expelliarmus = disarming spell
Ferula =spell to conjure a sling for a broken limb	Fidelius Charm = A charm that conceals a secret within a person (Secret-Keeper) so that no one will know about it unless the Secret-Keeper chooses to divulge it.
Finite Incantatem - a spell used to end all other spells previously cast and still in effect.	Four-Point Spell = points the charmer's wand to point due North
Furnuculus Curse = a curse to cover one with boils	Impediment Jinx = used to slow down and obstruct attackers
Imperio = a curse of total control (an Unforgivable curse) known as the Imperius Curse	Impervius = spell to repel water
Incendio = a fire-lighting spell	Jelly-Legs Jinx = a charm that makes one's legs wobble like jelly