Psalm 42:4 recalls going to the house of God with a festive throng — the same joyful fellowship described in Psalm 55:14.

Psalm 122:1 rejoices in going to the house of the LORD — paralleling the communal worship in Psalm 55:14.

2 Samuel 15:31 records Ahithophel's betrayal of David — the very historical event this psalm likely reflects.

Jeremiah 20:10 describes betrayal by familiars watching for his fall — a direct parallel to the treachery here.

Matthew 26:50 shows Jesus addressing Judas as 'Friend' at the moment of betrayal — mirroring the intimate treachery.

Mark 14:18 has Jesus predicting betrayal by one who eats with him — the same table fellowship turned to betrayal.

John 6:71 identifies Judas as the betrayer among the twelve — the ultimate fulfillment of a close companion's betrayal.