| Answer | Crossword Clue |
|---|---|
| SCUBA | Underwater breathing apparatus |
| SNORKEL | Underwater breathing apparatus |
| GILL | Underwater breathing apparatus |
| AQUA | ...-Lung (underwater breathing apparatus) |
| SCUBA | Self-contained underwater breathing apparatus |
| GILLS | Underwater breathing aids |
| SCUBA | Underwater breathing gear |
| GILL | Underwater breathing organ |
| GILLS | Underwater breathing organs |
| SCUBAS | Underwater breathing devices |
| SCUBA | Underwater breathing aid |
| REED | Action hero's underwater breathing aid |
