fortress /förˈtrəs or fōrˈ/

1. A fortified place
2. A defence

To guard

• mucous membranes
• mucoviscidoses
• mucoviscidosis
• mucro
• mucronate
• mucronated
• mucrones
• mucros
• muculent
• mucus
• mucuses
• mud
• MUD
• mudbath
• mudbaths
• mud-boat
• mud-boats
• mudcat
• mudcats
• mud-clerk
• mud-clerks
• mud-cone
• mud-cones
• mud dauber
• mud daubers