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

• infidels
• infield
• infielder
• infielders
• infields
• in fieri
• in-fighting
• infighting
• infightings
• infill
• infilled
• infill housing
• infill housing development
• infilling
• infillings
• infills
• infiltrate
• infiltrated
• infiltrates
• infiltrating
• infiltration
• infiltrations
• infiltrative
• infiltrator
• infiltrators