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)

• ambush bugs
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• Ambystoma
• AMCS
• AMD
• AMDG
• am-dram
• a means to an end
• amearst
• ameba
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• ameioses
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• Amelanchier