porch (n.)

• apse
• archway
• baptistery
• bulkhead
• chancel
• choir
• confessional
• crypt
• door
• doorjamb
• doorpost
• doorway
• gallery
• gate
• gatepost
• gateway
• hatch
• hatchway
• lanai
• lintel
• nave
• patio
• piazza
• portal
• postern
• presbytery
• pylon
• sacristy
• scuttle
• solarium
• stile
• stoop
• threshold
• tollgate
• transept
• trap
• turnpike
• turnstile
• veranda
• vestry