interfrontal /in-tər-frunˈtl or -fronˈtl/

Between the frontal bones

• imperium
• imperium in imperio
• impermanence
• impermanences
• impermanencies
• impermanency
• impermanent
• impermanently
• impermeabilities
• impermeability
• impermeable
• impermeableness
• impermeablenesses
• impermeably
• impermissibility
• impermissible
• impermissibly
• impers.
• imperseverant
• impersistent
• impersonal
• impersonalisation
• impersonalise
• impersonalised
• impersonalises