In 1 Samuel 31:4, Saul takes his own life after defeat, paralleling Judas's suicide after his betrayal and guilt.

2 Samuel 17:23 has Ahithophel hang himself after his counsel was rejected — a clear OT type of Judas's betrayal and suicide.

Acts 1:18 gives an alternate account of Judas's death, describing his fall and burst body — the same event from a different source.

In Acts 1:19, the field where Judas died is named Akeldama, adding detail to his death and connecting it to the betrayal.

Luke 22:22 pronounces woe on the betrayer — Judas's suicide here fulfills that woe.

2 Corinthians 7:10 contrasts worldly sorrow (which brings death) — Judas's suicide exemplifies that sorrow leading to death.

Psalm 55:23 speaks of the premature death of the treacherous — fulfilled in Judas's early and violent end.

Acts 16:27 shows a jailer about to kill himself in despair — similar to Judas, but he is saved, contrasting the outcome.