permafrost /pûrˈmə-frost/

Permanently frozen subsoil

• phagocytic
• phagocytical
• phagocytism
• phagocytisms
• phagocytose
• phagocytosed
• phagocytoses
• phagocytosing
• phagocytosis
• phagophobia
• phagophobias
• -phagous
• -phagus
• -phagy
• Phalaenopsis
• phalangal
• phalange
• phalangeal
• phalanger
• phalangers
• phalanges
• phalangid
• preverbal
• preverbs
• pre-vernal