knapskull, knapscull or knapscal /napˈskəl/ (obs Scot)

A kind of helmet

• foster-home
• foster-homes
• fostering
• fosterings
• fosterling
• fosterlings
• foster-mother
• foster-mothers
• foster-nurse
• foster-nurses
• foster-parent
• foster-parents
• fosters
• foster-sister
• foster-sisters
• foster-son
• foster-sons
• fostress
• fostresses
• fother
• fothered
• fothergilla
• fothergillas
• fothering
• fothers