Harry Potter has used a few Unforgivable Curses ... Ever since the second book when Professor Snape taught Harry the Disarming spell, Expelliarmus, it quickly became his go-to spell.

Harry used the Disarming Charm again multiple times. He even taught Expelliarmus to Dumbledore's Army during Harry Potter and the Order of the Phoenix. Many were skeptical that a simple Disarming ...

Here’s a sampling of them. Do you know the meaning behind Harry Potter spells like Expelliarmus and Wingardium Leviosa? How about where Dumbledore’s name comes from, or the debated etymology ...