1 Chronicles 27:33

Ahithophel was the king's counselor: and Hushai the Archite was the king's friend:

2 Samuel 15:12

Absalom sent for Ahithophel the Gilonite, David's counselor, from his city, even from Giloh, while he was offering the sacrifices. The conspiracy was strong; for the people increased continually with Absalom.

2 Samuel 15:37

So Hushai, David's friend, came into the city; and Absalom came into Jerusalem.

2 Samuel 15:32

It happened that when David had come to the top [of the ascent], where God was worshiped, behold, Hushai the Archite came to meet him with his coat torn, and earth on his head.

2 Samuel 16:16-17

It happened, when Hushai the Archite, David's friend, had come to Absalom, that Hushai said to Absalom, "Long live the king! Long live the king!"

2 Samuel 16:23

The counsel of Ahithophel, which he gave in those days, was as if a man inquired at the oracle of God: so was all the counsel of Ahithophel both with David and with Absalom.

2 Samuel 17:23

When Ahithophel saw that his counsel was not followed, he saddled his donkey, and arose, and went home, to his city, and set his house in order, and hanged himself; and he died, and was buried in the tomb of his father.

Psalm 55:13

But it was you, a man like me, my companion, and my familiar friend.

Zechariah 13:7

"Awake, sword, against my shepherd, and against the man who is close to me," says Yahweh of Armies. "Strike the shepherd, and the sheep will be scattered; and I will turn my hand against the little ones.

Treasury of Scripture Knowledge

Summary

And Ahithophel was the king's counseller: and Hushai the Archite was the king's companion:

Bible References

Ahithophel

2 Samuel 15:12
Absalom sent for Ahithophel the Gilonite, David's counselor, from his city, even from Giloh, while he was offering the sacrifices. The conspiracy was strong; for the people increased continually with Absalom.
2 Samuel 16:23
The counsel of Ahithophel, which he gave in those days, was as if a man inquired at the oracle of God: so was all the counsel of Ahithophel both with David and with Absalom.
2 Samuel 17:23
When Ahithophel saw that his counsel was not followed, he saddled his donkey, and arose, and went home, to his city, and set his house in order, and hanged himself; and he died, and was buried in the tomb of his father.

Hushai

2 Samuel 15:32
It happened that when David had come to the top [of the ascent], where God was worshiped, behold, Hushai the Archite came to meet him with his coat torn, and earth on his head.
2 Samuel 16:16
It happened, when Hushai the Archite, David's friend, had come to Absalom, that Hushai said to Absalom, "Long live the king! Long live the king!"

Companion

2 Samuel 16:17
Absalom said to Hushai, "Is this your kindness to your friend? Why didn't you go with your friend?"
Psalm 55:13
But it was you, a man like me, my companion, and my familiar friend.
Zechariah 13:7
"Awake, sword, against my shepherd, and against the man who is close to me," says Yahweh of Armies. "Strike the shepherd, and the sheep will be scattered; and I will turn my hand against the little ones.