| SOFFIT | Underside of an architectural structure such as an arch, balcony, or cornice (6) |
| FASCIA | In classical architecture, a long horizontal band between mouldings on an architrave or cornice (6) |
| BRIDGE | Structure such as an early "clam" or "clapper" type, built to span a divide or obstacle such as a river (6) |
| RESEARCH | Systematic investigation concerning an architectural structure outside the London area (8) |
| PARTICLE | Word for something as seemingly simple as a crumb or a speck of dust but also for a highly complex structure, such as an atom, proton, neutron or quark (8) |
| PEAR | Anjou or Cornice |
| FABRIC | Word for a textile or its texture; or, structure, such as that of society (6) |
| STYLET | Hard anatomical structure, such as the mouthpart of an aphid (6) |
| BOTTOM | Underside of an object (6) |
| MUSCLE | In anatomy, contractile structure such as the psoas whose mobility is provided by myosins and its energy primarily by mitochondria (6) |
| OILRIG | Offshore structure such as Piper Alpha, which was destroyed by fire in 1988 (3,3) |
| TOWERS | Structures such as campaniles (6) |
| SPIRES | Architectural structures |
| WORK | Energy transfer measured in joules; a creation such as a book, musical composition or piece of embroidery, sewing etc; or, a structure such as a wall, built as part of a fortification (4) |
| ENGINEER | Originally a builder of fortifications, siege artillery and mechanical weapons such as trebuchets, later a designer/maker of machinery or structures such as bridges or roads (8) |
| RIB | Word for a thoracic costa that, by extension, describes one of the liernes separating the webs of an architectural vault; an umbrella spoke; or, a stick of celery (3) |
| STAND | An act of rising to one's feet; or, a structure such as a pedestal, serving as a supporting foot (5) |
| NECK | Gorgerin of an architectural capital; or, part of the body for a bow tie, cravat, jampot, ruff or stock (4) |
| MONUMENT | Commemorative building or structure such as the Taj Mahal, Victoria Memorial, Eiffel Tower or the Statue of Liberty (8) |
| ARIL | Botanical structure such as the mace surrounding nutmeg, ruby "jewel" of a pomegranate pip or the scarlet "berry" cup of a yew seed (4) |
