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)

• tender-hearted
• tender-heartedly
• tender-heartedness
• tender-hefted
• tendering
• tenderings
• tenderise
• tenderised
• tenderiser
• tenderisers
• tenderises
• tenderising
• tenderize
• tenderized
• tenderizer
• tenderizers
• tenderizes
• tenderizing
• tenderling
• tenderlings
• tenderloin
• tenderloins
• tenderly
• tender mercies
• tender mercy