R

Reducio - Reductor Curse - Relashio - Reluctant Reversers, A Charm To Cure
Reparo - Restoring Spell - Rictusempra - Riddikulus
Room-sealing spell - Ropes, magical - Rowboat Spell

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Reducio (re-DOO-see-oh )
reverse: Engorgio

"redusen" Middle Eng. diminish, from "reducer" Old Fr. bring back to the source, from" reducere" L. bring, lead

Causes an object to return to it's normal size.

• Moody, who had enlarged a spider with an Engorgement Charm, used Reducio to return it to it's normal size (GF14)

Reductor Curse

from "redusen" Middle English, borrowed from Old French and Latin, c. 1380: to bring down

Blasts solid objects out of the caster's path.

• Harry learned this spell as part of his preparation for the Third Task. He used it to blast a hole in the hedge (GF31)

Relashio

 "rilascio" It. - to release, to relax, to issue

Relases a jet of firey sparks. Underwater, this spell fires a jet of boiling water.

• Harry used this spell against the Grindylows in the Second Task. (GF)

Reluctant Reversers, A Charm To Cure

no incantation given

Broom charm.

• This spell is on page twelve of the Handbook of Do-It-Yourself Broom Care (PA2).

Reparo (re-PAR-oh )

"reparare" L. repair, restore

Undoes damage to an object.

• Hermione casts this spell to repair the broken glass in the door to a railway carriage compartment (GF8, 11)
• Probably the same spell as Mr. Weasley uses to repair Harry's glasses (CS4), Bill Weasley uses to repair the table leg (GF5), and Percy uses to repair his glasses when he bows just a little bit too low (GF8).
• McGonagall uses what is very likely this spell to restore the leg of Neville's desk, which he had accidentally vanished (CS

Restoring Spell

no incantation used

Forces an Animagus who has transformed into animal form to revert to their human form. The spell's effect is a bright blue-white flash of light.

• Lupin and Sirius cast this spell together to change Scabbers back into Peter Pettigrew (PA19)

Rictusempra (ric-tu-SEM-pra)
"Tickling Charm"

"rictus" L. gaping mouth, grin + "sempra" L. always

Causes a person to laugh uncontrollably.

• Harry casts this spell on Draco at the Dueling Club (CS10)

Riddikulus (ri-di-KYOO-lus)

"ridiculum" L. joke, from "ridere" L. to laugh

Defense against a Boggart, forces the creature to take on a silly appearance.

• Lupin taught the third year Defense Against The Dark Arts class to use this spell (PA, GF31) The laughter it produces in onlookers is what does the Boggart in.

Room-sealing spell

no incantation given

Seals a room with a powerful charm that none but a powerful wizard could break.

• Snape used a powerful magic spell to seal his office (GF25)

Ropes, magical

no incantation used

Sends out magical ropes from a wand which tie up someone firmly.

• Dumbledore used magic ropes from his wand to bind Barty Crouch Jr. (GF36)
• Quirrell created ropes out of thin air to bind Harry in the Chamber of the Stone. Then he claps his hands and the ropes fall away. (SS17)
• Wormtail conjured tight cords to bind Harry to the headstone of Voldemort's father (GF32)
• Snape used this spell to tie up Lupin. When he did it, there was a loud bang. (PA19)
• a similar enchantment is used on the Chained Chair in the Court of Magical Law. When a prisoner sits in that chair, the chain glow gold and encircle the person's arms, binding them to the chair (GF30)

Rowboat spell

no incantation used

Propels a rowboat along without oars.

• Hagrid used his umbrella to cast this spell and "speed things up a bit" when he and Harry were coming back from the hut on the rock (SS5).
• Possibly it is this spell which propels the fleet of small boats from the dock near Hogsmeade station to Hogwarts castle (SS