Clunch

Clunch
hard chalk used as a building material. Often plastered with limewash for durability
Cob ...

Clunch: Hard chalky material. Cob: Unburned clay mixed with straw. Codex: pl. codices; A manuscript that is sewn together in the form of a book, with a spine and often a cover.

Clunch - hard chalky material.
Cob - unburned clay mixed with straw.
Colonnade - range of evenly spaced columns.
Column - pillar (circular section).
Concentric - having two sets of walls, one inside the other.

See also: Bay window, Chamfer, Bond, Rib vault, Church