yule ball
lumos
siruis
Salazar
rat
Trevor
Rowena
Albus
sickle
extendable ears
snitch
Hedwig
grawp
Percival
lupin
Nimphadora Tonks. Can I do two words??? Well, if I can't, how about Nox??
Nimphadora Tonks is ok
slytherin
Nagini
Inquisitorial Squad (i think that's how you spell it)