| CUPOLA | In architecture, a dome-like structure on top of a building (6) |
| IMPERIAL | In architecture, a dome that has a point at the top (8) |
| WIGWAM | Native American dome-like dwelling covered in hides (6) |
| SPIRE | Tapering, conical structure on top of a building, especially a church (5) |
| OVERARCH | Form a curved structure on top of element in Hanover architecture (8) |
| ODOMETRY | Old structure on top of mosque, say - attempt measure of distance |
| OCULUS | In architecture, a circular opening in a wall or at the apex of a dome (6) |
| FINIAL | In architecture, a terminal ornament marking the apex, corner or "end" of a curtain rod, gable, spire etc, often in foliated fleur-de-lis form (6) |
| CASQUE | Helmet-like structure on the head of a cassowary (6) |
| LOGGIA | In architecture, a covered exterior gallery on an upper level (6) |
| LIERNE | In architecture, a cross-rib used in vaulting |
| REROOF | Repair the top of a building (6) |
| ABACUS | Frame for counting; or, in classical architecture, a slab on the capital of a column supporting the architrave (6) |
| METOPE | In classical architecture, a square space between two triglyphs in a Doric frieze (6) |
| FASCIA | In classical architecture, a long horizontal band between mouldings on an architrave or cornice (6) |
| CIPPUS | In Roman architecture, a pillar bearing an inscription (6) |
| FRIEZE | In ancient architecture, a horizontal design (6) |
| TORES | A solid or surface in the form of a bagel or a ring doughnut; a tokamak; the receptacle of a flower such as a daisy; or, in classical architecture, a moulding above a column's plinth (5) |
| ANNULET | In architecture, a moulding in the form of a ring, as at the top of a column (7) |
| SPROCKET | Any one of the cogs or teeth of a chainwheel; the wheel itself; or, in architecture, a piece of wood used to extend a roof over its eaves (8) |