Spells - F

Ferula

Pronunciation: feh-ROO-lah (IPA: /fɛ.'ɹu.lə/)

Description: Creates a bandage and a splint.
Seen/Mentioned: Used by Lupin in Prisoner of Azkaban to bind Ron's broken leg.
Suggested Etymology: Latin ferula meaning "a stick".

Finite Incantatem

Pronunciation: fi-NEE-tay in-can-TAH-tem (IPA: /fɪ.'ni.teɪ (ɪn.kn̩.'tæ.dm)̩/)

Description: Negates many spells or the effects of many spells.
Seen/Mentioned: Used by Hermione in the Chamber of Secrets to stop a rogue bludger bewitched by Dobby. Snape uses it in Chamber of Secrets to restore order in the Duelling Club when Harry and Draco are duelling. Lupin uses the short form "Finite" in Order of the Phoenix. In Deathly Hallows, Hermione suggests to Ron to attempt to use this spell to stop it raining in Yaxley's office. Harry used Finite to counter Crabbe's Descendo attack on Ron in the same book.
Suggested Etymology: Latin finio meaning "to put an end to" and Latin cantio meaning "enchantment".


Flagrate

Pronunciation: fluh-GRAYT, FLAH-grayt, fluh-GRAH-tay (IPA: /flə.ˈɡɹæ.te/)

Description: With this spell, the caster's wand can leave fiery marks.
Seen/Mentioned: Cast by Tom Riddle in The Chamber of Secrets to spell out 'Tom Marvolo Riddle' and switch it to 'I am Lord Voldemort' also cast by Hermione in Order of the Phoenix to identify doors of the Department of Mysteries which members of Dumbledore's Army had already opened, by marking them with an 'X'.
Suggested Etymology: Latin flagro meaning "glowing"


Furnunculus (Furnunculus Curse)

Pronunciation: fer-NUN-kyoo-lus
Description: Causes the target to become covered in boils.
Seen/Mentioned: Used by Harry in Goblet of Fire on Draco, but was deflected onto Goyle instead. Also used later in the book when Draco tried to harass Harry on the Hogwarts Express and was hit with a couple of curses, including the Furnuculus Curse (which was cast by Harry).[GF Ch.37]
Suggested Etymology: Latin furunculus originally meaning "petty thief" but later used to mean "boil" in English.