Here are some words derived from the root word "gam":
* Game: The most common and direct form.
* Gamer: A person who plays games, especially video games.
* Gaming: The activity of playing games.
* Gameplay: The way a game is played.
* Gamemaster: A person who manages or runs a game, often in role-playing games.
* Gamesmanship: The art of winning by any means, even if it's unethical.
Note: "Gam" is also sometimes used as a shortened form of "game", particularly in informal contexts or when referring to video games. For example, "Let's go play some gam!"