Pentad is a term used to describe a group of five people or things. It can also be used to refer to a set of five elements, such as the five-pointed star. The term pentad is derived from the Greek word for five, 'pente'. In a crossword puzzle, the solutions for the term pentad are FIVE (4 letters) and FIVESOME (8 letters). FIVE is a simple way to refer to a group of five people or things, while FIVESOME is a more specific term that implies a group of five people or things.