Accio

Summoning charm

Aguamenti

Water emerges from tip of wand

Alohomora

Unlocks doors

Aparecium

makes invisible ink become invisible again

Avada Kedavra

The killing curse (Unforgivable)

Avis

Birds fly out of wand

Bubble-Head Charm

Used to breathe underwater

Cave Inimicum

A charm used to protect an area

Colloportus

Makes doors seal themselves

Confringo

Causes the target to explode

Confundo

Causes confusion on the targeted person

Crucio

Torturing curse (unforgivable)

Deletrius

A spell used to make things disappear or vanish

Densaugeo

causes front teeth to grow abnormally large

Diffindo

Used to cut objects

Dissendium

A spell used to open or reveal secret passages

Enervate

Revives someone who has been stunned or in an unconcious state

Episky