| RAMPS | Sets of stairs for boarding or exiting aircraft; or, structures for performing skateboard tricks (5) |
| RAMP | Set of movable stairs for boarding or leaving an aircraft (4) |
| ESCALATOR | A moving set of stairs for going from one level to another (9) |
| SPLITLEVELHOUSE | Home with at least two sets of stairs |
| SILO | A pit or structure for storing fodder |
| FORMAT | Shape & size or structure for data (6) |
| GATE | Location for boarding or leaving an aircraft at an airport (4) |
| STILE | Word, from the Germanic "climb, stair", for a clapper, stepladder, squeeze-belly or tumbledown over or through a wall or hedge (5) |
| RISER | Part of a set of stairs (5) |
| OLLIE | Basis for all jumping skateboard tricks |
| RENTS | Charges for boarding |
| INFRA | Start for red or structure |
| SETUP | Arrangement or structure (5) |
| TRAMPS | Unbending borders for bifocals, beautiful brushworks or broideries; skeletons of bikes, bodies or buildings; triangles for billiard balls; or, structures on which bees build honeycombs (6) |
| 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) |
| CHIASMA | Crossing over of two parts or structures such as the fibres of the optic nerves in the brain |
| AQUATIC | Word describing eimer a sport such as swimming paddle-boarding or scuba diving or a hydrophyte plant growing in or near water such as arrowhead, duckweed, rush or yellow flag (7) |
| NETS | Shapes of 3-D figures when laid flat; or, structures dividing tennis courts, retaining the hair under riding hats or forming "drifts" in the sea (4) |
| PONTOON | A flat-bottomed boat or structure serving as a buoyant support for a temporary floating bridge or landing stage; a float of a seaplane; or, the game blackjack or vingt-et-un (7) |
| RHYMINGSLANG | "Apples and pears" for stairs, for example (7,5) |