Related Clues:

• ___ cotta (clay pot material)
• Firma or incognita?
• Earth, in sci-fi or Latin
• ___ cotta pots
• Army admitting mistake for land
• Concern after extreme anxiety voiced, in need of a safe landing place
• Lead-in to "cotta" or "firma"
• --- firma, solid ground
• ___ Mater (Roman Mother Earth)