1 Chronicles 27:33

and Ahithophel was the king's counsellor; and Hushai the Archite was the king's friend;

2 Samuel 15:12

And Absalom sent for Ahithophel the Gilonite, David's counsellor, from his city, from Giloh, while he offered the sacrifices. And the conspiracy gathered strength; and the people increased continually with Absalom.

2 Samuel 15:37

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

2 Samuel 15:32

And it came to pass, when David had come to the summit, where he worshipped God, that behold, Hushai the Archite came to meet him with his coat rent, and earth upon his head.

2 Samuel 16:16-17

And it came to pass, when Hushai the Archite, David's friend, came to Absalom, that Hushai said to Absalom, Long live the king! Long live the king!

2 Samuel 16:23

And the counsel of Ahithophel, which he counselled in those days, was as if a man had inquired of the word of God: so was all the counsel of Ahithophel both with David and with Absalom.

2 Samuel 17:23

And when Ahithophel saw that his counsel was not followed, he saddled his ass, and arose and went to his house, to his city, and gave charge to his household, and hanged himself, and he died; and he was buried in the sepulchre of his father.

Psalm 55:13

But it was thou, a man mine equal, mine intimate, my familiar friend. ...

Zechariah 13:7

Awake, O sword, against my shepherd, even against the man that is my fellow, saith Jehovah of hosts: smite the shepherd, and the sheep shall be scattered, and I will turn my hand upon 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
And Absalom sent for Ahithophel the Gilonite, David's counsellor, from his city, from Giloh, while he offered the sacrifices. And the conspiracy gathered strength; and the people increased continually with Absalom.
2 Samuel 16:23
And the counsel of Ahithophel, which he counselled in those days, was as if a man had inquired of the word of God: so was all the counsel of Ahithophel both with David and with Absalom.
2 Samuel 17:23
And when Ahithophel saw that his counsel was not followed, he saddled his ass, and arose and went to his house, to his city, and gave charge to his household, and hanged himself, and he died; and he was buried in the sepulchre of his father.

Hushai

2 Samuel 15:32
And it came to pass, when David had come to the summit, where he worshipped God, that behold, Hushai the Archite came to meet him with his coat rent, and earth upon his head.
2 Samuel 16:16
And it came to pass, when Hushai the Archite, David's friend, came to Absalom, that Hushai said to Absalom, Long live the king! Long live the king!

Companion

2 Samuel 16:17
And Absalom said to Hushai, Is this thy kindness to thy friend? why didst thou not go with thy friend?
Psalm 55:13
But it was thou, a man mine equal, mine intimate, my familiar friend. ...
Zechariah 13:7
Awake, O sword, against my shepherd, even against the man that is my fellow, saith Jehovah of hosts: smite the shepherd, and the sheep shall be scattered, and I will turn my hand upon the little ones.