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A feeling, conviction or belief that something is true, real, or will happen. Belief and trust in the Christian God's promises. A trust or confidence in the intentions or abilities of a person, object, or ideal. Mental acceptance of and confidence in a claim as truth without evidence supporting the claim or disregarding all evidence to the contrary.
- "The navigational charts. The route to the Farthest Gate."
- ―Sao Feng
The effect, consequence, outcome, or inevitable events predetermined by this cause; To foreordain or predetermine, to make inevitable. Davy Jones once warned Will Turner that his fate was to be married to the Flying Dutchman; Blackbeard was said to have a high regard for fate.
A person engaged to be married, particularly an engaged man. The term fiancée refers to a woman engaged.
- "With the keys to the cage, and the devil to pay, / We lay to Fiddler's Green."
- ―from Hoist the Colours
- "If the figurehead was on Opawiwato, Sterling had to find it; by what ever means necessary."
A figurehead is a carved wooden decoration, often female or bestial, found at the prow of ships.
Fire in the hole
- "Uh, oh! Fire in the hole!"
- ―Cotton's parrot
A standard warning indicating that an explosive detonation in a confined space is imminent. It originated with miners, who needed to warn their fellows that a charge had been set.  Cotton's parrot learned the phrase, and repeated it as Jack the monkey lit a firework in Singapore.
A piece of fabric with a distinctive design that is used as a symbol, as a signaling device, or as decoration. The term flag is also used to refer to the graphic design employed by a flag.
- "Commodore Norrington's made it his flagship. He'll use it to hunt down the last dregs of piracy on the Spanish Main."
In a maritime fleet, the ship occupied by the fleet's commander (usually an admiral); it denotes this by flying his flag. The term comes from the British Royal Navy, referring to the ship from which the commanding officer of the squadron or fleet flies his Ensign. Flagships were usually the grandest, most heavily armed, or best known vessels in the squadron or fleet. The HMS Interceptor was the flagship of Commodore James Norrington when he commanded the Royal Navy.
A pale yellow brown; the colour of dried flax stalks and of the fiber obtained therefrom.
- "Robert's your uncle. Fannie's your aunt. There you are with two ships. The makings of your very own fleet. You'll take the grandest as your flagship, and who's to argue?"
- ―Jack Sparrow
Any command of vessels exceeding a squadron in size, composed of a minimum of five ships of the line, with any number of smaller vessels, commanded by an Admiral of Rear-Admiral. The term can also refer to the collective naval force of a country's navy.
- "It's bad luck to be singing about pirates with us mired in this unnatural fog. Mark my words."
- ―Joshamee Gibbs
A thick cloud that forms near the ground; the obscurity of such a cloud; a mist or film clouding a surface. It could also mean a state of mind characterized by lethargy and confusion.
Also fo'c's'le or fo'c'sle:
- A superstructure at or immediately aft of the bow of a vessel, used as a shelter for stores, machinery, or as quarters for sailors;
- The forward part of the weather deck of a vessel, commonly that part forward of the foremast. 
- "There's more than one way to live forever. Gents, I give you the Fountain of Youth."
- ―Hector Barbossa
A mystical water spring intended to restore the youth of anyone who drinks it. Explorer Juan Ponce de León set out to Florida to find it in 1500s. Captain Jack Sparrow, Captain Hector Barbossa and Blackbeard were all involved in a search for the Fountain. The Latin term "Aqua de Vida" was another name for the Fountain.
- "We fought the French, Cap'n Sparrow. Kicked their frog-gulping arses, we did."
- ―Lucius Featherstone
Being related to a ceremony in honor of a deceased person.