1 Chronicles 19:6
And when the children of Ammon saw that they had made themselves odious to David, Hanun and the children of Ammon sent a thousand talents of silver to hire them chariots and horsemen out of Mesopotamia, and out of Syria–maachah, and out of Zobah.
Cross-reference
2 Samuel 10:6 is the parallel account of the same event, nearly word-for-word, confirming the Ammonites hiring Arameans.
1 Samuel 14:47 lists Ammonites and Zobah among Saul's enemies—the same peoples hiring here show ongoing conflict.
2 Samuel 8:3 records David defeating Hadadezer of Zobah—the same Arameans hired here are later conquered.
2 Chronicles 16:2 records Asa hiring foreign chariots and horsemen — same action as the Ammonites hiring mercenaries against David.
2 Chronicles 16:3 continues Asa's hiring — he requests a treaty with Ben-Hadad, mirroring the Ammonites' alliance-building against David.
In 2 Chronicles 25:6, Amaziah hires Israelite mercenaries—similar to Ammonites hiring Arameans here, both using paid troops for war.
Genesis 34:30 uses the same 'become a stench' phrase — Jacob laments that his sons made him odious, just as the Ammonites became odious to David.
Exodus 5:21 also uses 'make a stench' — the Israelites complain that Moses made them a stench to Pharaoh, similar to the Ammonites' stench to David.
1 Samuel 13:4 says Israel became a stench to the Philistines — the same idiom of becoming odious, as the Ammonites did to David.
1 Samuel 27:12 notes David became obnoxious to Israel — same Hebrew root 'ba'ash' meaning to stink, paralleling the Ammonites' stench to David.
1 Kings 11:24 provides background on Rezon from Zoba, whose escape from David explains the Aramean mercenaries hired here.
Psalm 46:9 depicts God ending war, while this verse shows humans hiring for war—a thematic contrast.