Assisted suicide and Self-annihilation

Assisted suicide noun - Suicide of a terminally ill person that involves an assistant who serves to make dying as painless and dignified as possible.

Self-annihilation and assisted suicide are semantically related. In some cases you can use "Self-annihilation" instead a noun phrase "Assisted suicide".

Self-annihilation noun - The act of killing yourself.

Assisted suicide and self-annihilation are semantically related. Sometimes you can replace phrase "Assisted suicide" with "Self-annihilation", this phrases are similar.