Sectumsempra

Correct!
Wrong!
Homenum Revelio

Correct!
Wrong!
Protego Totalum

Correct!
Wrong!
Petrificus Totalus

Correct!
Wrong!
Finestra

Correct!
Wrong!
Protego

Correct!
Wrong!
Morsmordre

Correct!
Wrong!
Relashio

Correct!
Wrong!
Diffindo

Correct!
Wrong!
If You Can Tell What These Spells Were Used For In Harry Potter, Your Owl Should Arrive Soon
Umm, sorry to burst your bubble, but your Hogwarts letter didn't get lost - it just wasn't mailed in the first place.