femerall /femˈə-rəl/

An outlet for smoke in a roof

• biostratigraphical
• biostratigraphy
• biosyntheses
• biosynthesis
• biosynthetic
• biosystematic
• biosystematics
• biota
• biotas
• biotech
• biotechnological
• biotechnologies
• biotechnologist
• biotechnologists
• biotechnology
• biotechs
• bioterror
• bioterrorism
• bioterrorist
• bioterrorists
• -biotic
• biotic
• biotically
• biotin
• biotins