sanctum /sangkˈtəm/

1. (esp in the phrase inner sanctum) a sacred place
2. A (very) private room

sanctum sanctorum noun

1. The holy of holies, the inner chamber of the Jewish tabernacle
2. Any specially reserved retreat or room (informal)

• lithistid
• Lithistida
• lithistids
• lithite
• lithites
• lithium
• lithium drifted silicon detector
• lithium drifted silicon detectors
• lithium-ion batteries
• lithium-ion battery
• lithiums
• litho
• litho-
• lithochromatic
• lithochromatics
• lithochromies
• lithochromy
• lithoclast
• lithoclasts
• lithocyst
• lithocysts
• lithodomous
• Lithodomus
• lithoed
• lithogenous