The crossword solution for the term ONE OF MANY is UNIT, which is a four-letter word. A UNIT is a single thing or person that is part of a larger group or whole. It can refer to a single item, such as a piece of furniture, or it can refer to a person, such as a soldier in an army. Units are often used to measure or quantify something, such as a UNIT of time or a UNIT of distance. Units are also used to describe a group of people or things that are similar in some way, such as a UNIT of workers or a UNIT of currency.