| Building super's ringful |
| Agricultural building |
| Blocks of history |
| Change genetically |
| Genetic "messenger |
| Block, in legalese |
| Genetically engineered, highly selective medical treatment |
| Building extensions |
| Add a building wing to a "Lord of the Rings" actress? |
| Rectangular building stone |
| Building code requirement |
| Activity around the block |
| Genetically identical copies |
| College building dedicatees, often |
| Crowning point on a building |
| Abe's building materials? |
| Building subcontractor |
| Genetically improved grain? |
| Popular building brick brand |
| Column in a Buddhist building |
| Unblocks |
| Blocker of Superman's X-ray vision |
| A company's land, buildings, etc. |
| Blocked |
| Additions to buildings |
| Building contractor's study |
| Art ___ (architectural style of the Chrysler Building in Manhattan) |
| Buildings with steeply pitched roofs |
| Roofed passage between buildings |
| Add-on buildings |