In 2 Samuel 20:9, Joab's deceptive greeting and kiss set up the treacherous killing — the kiss is the pretense for the belly strike.

In 2 Samuel 20:20, Joab denies wanting to destroy — a stark contrast to his just having killed Amasa treacherously.

In 2 Samuel 3:27, Joab kills Abner by striking him in the belly — same perpetrator, same method, showing Joab's pattern of treacherous belly strikes.

In 2 Samuel 4:6, assassins stab Ish-Bosheth in the stomach — a striking parallel to Joab stabbing Amasa in the belly.

In 2 Samuel 2:23, Abner kills Asahel by striking him in the belly with a spear butt — another belly-strike death, though self-defense here.

In 1 Kings 2:5, David recalls this murder of Amasa (along with Abner) as part of Joab's bloodguilt, instructing Solomon to deal with him.

In 1 Kings 2:6, David tells Solomon not to let Joab die peacefully — a direct consequence and judgment for killing Amasa and Abner.

In 1 Kings 2:31-34, Solomon has Benaiah execute Joab, fulfilling the judgment for his murders including Amasa's — poetic justice.

Romans 12:9 commands sincere love — contrasting sharply with Joab's treacherous kiss and murder here.

In Luke 22:48, Jesus calls out Judas for betraying him with a kiss — directly paralleling Joab's deceitful kiss to Amasa.

In Mark 14:44, Judas uses a kiss as a betrayal signal — mirroring Joab's deceitful kiss before murdering Amasa.

Matthew 26:48 records Judas betraying Jesus with a kiss — Joab's deceitful kiss to Amasa prefigures this NT betrayal.

Jeremiah 9:8 describes speaking peace while setting a trap — Joab's greeting with a hidden sword exemplifies this deceit.

Proverbs 27:6 warns that an enemy multiplies kisses — Joab's kiss to Amasa was a deceitful act of an enemy.

Proverbs 26:23 compares fervent lips with an evil heart to silver dross — Joab's friendly words masked murderous intent.

Proverbs 10:18 describes concealing hatred with lying lips — Joab's deceitful greeting to Amasa while plotting murder fits this.

1 Kings 2:5 explicitly recalls Joab's murder of Amasa here — directly referencing this event as part of David's charge.

Deuteronomy 27:24 curses those who secretly kill a neighbor — Joab's treacherous strike qualifies as secret murder.

Numbers 35:20 describes lying in wait and killing out of hatred — Joab's ambush of Amasa fits this premeditated murder scenario.

Exodus 21:14 condemns willful murder by scheming — Joab's deceptive kiss and single stab match that definition.

In Judges 3:21, Ehud similarly strikes King Eglon in the belly with a sword — both are assassinations using a belly thrust.

Psalm 55:23 promises God will bring down the bloodthirsty and deceitful — Joab's treacherous murder exemplifies such wickedness.

Jeremiah 41:1 introduces Ishmael's treacherous murder of Gedaliah — a parallel to Joab's deceitful killing of Amasa here.

Hosea 11:9 declares God is not like man who acts in anger and violence — Joab's murder shows human wrath, contrasting with divine mercy.

In Genesis 4:8, Cain kills his brother Abel — both are treacherous murders of a relative, though Amasa is Joab's cousin.