Subcategories:
You can see the full category hierarchy on the Category Map.
| 
 | 
 | 
| 1 beginning with B | BASE JUMPING | 
| 1 beginning with C | CANOPY | 
| 2 beginning with F | FALL FALL (2) | 
| 1 beginning with G | GRAVITY | 
| 1 beginning with J | JUMP OUT OF A PLANE! | 
| 3 beginning with P | PARACHUTE PARACHUTE JUMPING PARASCENDING | 
| 1 beginning with R | RIPCORD | 
| 1 beginning with S | SPLAT | 
| 11 apronyms in total | |