5 letters · 8 points in Scrabble
noun Italian physicist after whom the volt is named; studied electric currents and invented the voltaic pile (1745-1827)
noun a river in Ghana that flows south to the Bight of Benin
originBorrowed from Portuguese Volta, from volta (“turnaround, return”); at some point of time the river marked the point of return for the Portuguese traders.
Etymology from Wiktionary, CC BY-SA 3.0