| Answer | Crossword Clue |
|---|---|
| DUPLEX | Apartment with two floors |
| TRIPLEX | Apartment with two staircases, perhaps |
| STAIRS | Steps between two floors |
| STAIR | Step between two floors |
| DUPLEX | Two-floor apartment |
| MAISONETTE | Two-story apartment |
| COTENANT | One of two sharing an apartment |
