It has been asked and pondered many times.
Add more if you can think of any...
Suicides that might appear as accidental (no guarantees):
- Drunk/careless near(in) river, lake, surf/ocean, etc. [drowning]
- Hiking (backcountry) mishaps
[lost/hypothermia, starvation (dehydration), plant/fungi poisoning, wild animal attack, drowning]
- Taking selfies/drunk/careless and "falling" off a mountainside/cliff, bridge/building/balcony
[blunt force, organ failure, drowning]
- Extreme sports "accidents" (paragliding, BASE jumping, scuba, parachute, etc.)
[blunt force, falling, drowning]
- Drunk or careless driving off a cliff (full tank of gas)
[blunt force, fire, blood loss]
- drunk/tripping/falling in front of metro/bus/truck (very cruel to driver)
[blunt force, blood loss]