bastion /bastˈyən or bast-i-ən/

1. A kind of tower at the angle of a fortification
2. A defence, defender (figurative)

bastˈioned adjective

• periodizing
• period of grace
• periodontal
• periodontia
• periodontias
• periodontics
• periodontist
• periodontists
• periodontitis
• periodontitises
• periodontology
• period piece
• period pieces
• periods
• periods of grace
• perionychia
• perionychium
• Periophthalmus
• periost
• periostea
• periosteal
• periosteum
• periostites
• periostitic
• periostitis