버리다(beo-ri-da, beorida)
Active act of discarding or getting rid of something directly
When to use
Garbage disposal, Expressing emotions, Giving up opportunities, Acknowledging mistakes
The nuance
Used when the subject actively performs the action to discard or get rid of an object or situation.
버려지다(beo-ryeo-ji-da, beoryeojida)
Passive state of something being discarded by someone else
When to use
Abandoned animals, Discarded items, Neglect by people, Environmental destruction
The nuance
Used to describe situations where the object is discarded by someone else, not the subject.