pilastra angolul

pier [piers]▼(rectangular pillar, or similar structure, that supports an arch, wall or roof)
noun
[UK: pɪə(r)] [US: ˈpɪr]

pilaster [pilasters]▼(a column attached to the wall)
noun
[UK: pɪ.ˈlæ.stə(r)] [US: pə.ˈlæ.stər]