| Solution | Length | |
|---|---|---|
| 3 letters | ||
| air | 3 | |
| gas | 3 | |
| alt | 3 | |
| wax | 3 | |
| 4 letters | ||
| rise | 4 | |
| tire | 4 | |
| grow | 4 | |
| puff | 4 | |
| sack | 4 | |
| sail | 4 | |
| ship | 4 | |
| soar | 4 | |
| wing | 4 | |
| 5 letters | ||
| splat | 5 | |
| widen | 5 | |
| swell | 5 | |
| bloat | 5 | |
| 6 letters | ||
| helium | 6 | |
| hotair | 6 | |
| spread | 6 | |
| sphere | 6 | |
| splash | 6 | |
| 7 letters | ||
| stretch | 7 | |
| swellup | 7 | |
| puff up | 7 | |
| vesicle | 7 | |
| GROWFAT | 7 | |
| 8 letters | ||
| protrude | 8 | |
| volplane | 8 | |
| snowball | 8 | |
| seaplane | 8 | |
| shoot up | 8 | |
| 9 letters | ||
| round-out | 9 | |
| SAILPLANE | 9 | |
| 10 letters | ||
| strengthen | 10 | |
| 11 letters | ||
| proliferate | 11 | |