| Solution | Length | |
|---|---|---|
| 3 letters | ||
| air | 3 | |
| sky | 3 | |
| 4 letters | ||
| lift | 4 | |
| cope | 4 | |
| 5 letters | ||
| lifts | 5 | |
| azure | 5 | |
| vault | 5 | |
| ether | 5 | |
| 6 letters | ||
| caelum | 6 | |
| canopy | 6 | |
| Caelus | 6 | |
| heaven | 6 | |
| 7 letters | ||
| HEAVENS | 7 | |
| HYALINE | 7 | |
| 8 letters | ||
| cerulean | 8 | |
| BLUE SKY | 8 | |
| the-blue | 8 | |
| EMPYREAN | 8 | |
| 9 letters | ||
| ecosphere | 9 | |
| biosphere | 9 | |
| firmament | 9 | |
| noosphere | 9 | |
| 10 letters | ||
| atmosphere | 10 | |
| aerosphere | 10 | |
| 13 letters | ||
| starry-heaven | 13 | |
| 15 letters | ||
| the-blue-serene | 15 | |
| vault-of-heaven | 15 | |
| 16 letters | ||
| gaseous-envelope | 16 | |
| canopy-of-heaven | 16 | |