| Builders of atolls | 18 |
| Builders of castles in the air | 30 |
| Builders of colossal heads | 26 |
| Builders of lofty castles | 25 |
| Builders of military bases | 26 |
| Builders of stepped pyramids | 28 |
| Builders of Stonehenge, some say | 32 |
| Builders of the Tikal temples | 29 |
| Builders of Uxmal | 17 |
| Builders' afterthoughts | 27 |
| Builders' beams | 19 |
| Builders' buys | 18 |
| Builders' offices | 21 |
| Builders' sites | 19 |
| Building | 8 |
| Building add on | 15 |
| Building add-on | 15 |
| Building add-ons | 16 |
| Building addition | 17 |
| Building addition, sometimes | 28 |
| Building additions | 18 |
| Building adjunct | 16 |
| Building adjuncts | 17 |
| Building afterthought | 21 |
| Building agcy. | 14 |
| Building an ark, for one? | 25 |
| Building and grounds | 20 |
| Building and its grounds | 24 |
| Building annex | 14 |
| Building annexes | 16 |
| Building appendixes | 19 |
| Building area | 13 |
| Building artisan | 16 |
| Building beam | 13 |
| Building beams | 14 |
| Building beside a barn | 22 |
| Building biggies | 16 |
| Building blaster | 16 |
| Building block | 14 |
| Building block brand | 20 |
| Building block company | 22 |
| Building block for kids | 23 |
| Building block maker | 20 |
| Building block name | 19 |
| Building block of a building block | 34 |
| Building block of life | 22 |
| Building block of matter | 24 |
| Building block of molecules | 27 |
| Building block of nature | 24 |
| Building block of physics | 25 |
| Building block, informally | 26 |
| Building block, of sorts | 24 |
| Building block, perhaps? | 24 |
| Building blocks | 15 |
| Building blocks brand | 21 |
| Building blocks name | 20 |
| Building blocks of a sort | 25 |
| Building blocks of matter | 25 |
| Building blocks, e.g. | 21 |
| Building boards | 15 |
| Building brace | 14 |
| Building brick | 14 |
| Building burned by British: 1814 | 32 |
| Building bus. | 13 |
| Building business, for short | 28 |
| Building by a barn | 18 |
| Building castles in the air | 27 |
| Building clay | 13 |
| Building climbers | 17 |
| Building code requirement | 25 |
| Building column | 15 |
| Building component with two flanges | 35 |
| Building component? | 19 |
| Building composition, maybe | 27 |
| Building contractor | 19 |
| Building contractor's concern | 33 |
| Building contractor's job | 29 |
| Building contractor's study | 31 |
| Building corridor | 17 |
| Building count | 14 |
| Building courtyards | 19 |
| Building craftsman | 18 |
| Building cross-section component | 32 |
| Building crossbeam | 18 |
| Building custodians | 19 |
| Building custodians, informally | 31 |
| Building data | 13 |
| Building designer I. M. | 23 |
| Building designers' gp. | 27 |
| Building detail | 15 |
| Building details, briefly | 25 |
| Building developer's plot | 29 |
| Building divider | 16 |
| Building division | 17 |
| Building employe | 16 |
| Building enclosure, for short | 29 |
| Building expansion | 18 |
| Building extension | 18 |
| Building extensions | 19 |
| Building exterior | 17 |