Pirates' plunder is a term used to describe the treasure and valuables that pirates would steal from their victims. The three crossword solutions for this term are 'BOOTY' (5 letters), 'LOOT' (4 letters), and 'SWAG' (4 letters). BOOTY is a term used to describe the treasure and valuables that were taken by pirates, while LOOT is a term used to describe the goods stolen by robbers or thieves. SWAG is a slang term used to describe stolen goods or money. All three terms are used to describe the spoils of piracy.