Places
The lake south of the Hogwarts castle
The black lake
The spell Gilderoy Lockhart accidentally cast on himself
Obliviate
The antidote that saves Ron from being poisoned by some mead
Bezoar
S.P.E.W.
Society for the Promotion of Elfish Welfare
Siblings of Albus Dumbledore
Aberforth, Ariana
The wizarding hospital in London
St. Mungo's
The water spell
Aquamenti
Harry wins a bottle of this from professor Slughorn
Felix felicis
Reptile horse
Thestrel
Dolores Umbridges middle name
Jane
Number of secret paths in Hogwarts
The fire spell
Incendio
Ingredient needed to cure paralysis
Mandrake
The species of dragon Harry fought
Hungarian Horntail
Someone who can change their features
Metamorphmagus
The book store in Diagon alley
Flourish and Blotts
What the diffindo spell did
Cut precisely
What Amortentia does
Causes the drinker to become obsessed with someone
Pet sold at Weasly's Wizard Wheezes
Pygmy Puff
The names of the three Peverell brothers
Antioch, Cadmus, Ignotus
The number that must be entered in the telephone booth to get to the ministry of magic
62442
What the sonorus spell did
Amplify sound
The slytherin horcrux was in a bowl of this potion
Drink of despair
Aragog was this species
Acromantula
The full name of Dumbledore
Albus Percival Wulfric Brian Dumbledore