kriegspiel or kriegsspiel /krēgˈspēl/

1. A war game played on a map to train officers
2. A form of chess in which the players use separate boards and are allowed only limited communication through an umpire

• plainings
• plainish
• plain Jane
• plain-Jane
• plain Janes
• plain language
• plain loaf
• plain loaves
• plainly
• plainness
• plainnesses
• plains
• Plains
• plain sailing
• Plains Indian
• Plains Indians
• plainsman
• plainsmen
• plainsong
• plainsongs
• plain speaking
• plain-spoken
• plainstanes
• plainstones
• plaint