Rare US Dollar Bill

In French-speaking areas of Louisiana, the dollar is referred to as "piastre" (pronounced "pee-as") and the French holdover "sous" (pronounced "soo") is used to refer to the cent.
In Panama, the equivalent of buck is "palo" (literally "stick").
In Ecuador, the dollar is referred to as "lata".
In Peru, a nickname for the U.S. dollar is "coco", which is a pet name for Jorge ("George" in Spanish), a reference to the portrait of George Washington on the $1 note.