Numbers 25:3 directly describes the sin at Peor that Joshua 22:17 references as a past example of rebellion and plague.

Numbers 25:4-18 details the sin at Peor and its consequences, which Joshua 22:17 cites as a warning about turning from God.

Deuteronomy 4:3 recounts the destruction at Baal-peor, directly linking to the sin Joshua 22:17 mentions.

Ezra 9:14 directly questions whether they should again intermarry with pagan peoples — the very sin that caused the Peor plague, showing the same temptation.

Psalm 106:28 depicts the idolatry at Peor, exactly the event Joshua 22:17 references as a cause of plague.

Psalm 106:29 describes the plague from the sin at Peor, directly echoing Joshua 22:17's mention of plague.

1 Corinthians 10:8 explicitly cites the Peor incident (23,000 died in a day) as a warning against sexual immorality, linking directly to the iniquity mentioned here.

1 Corinthians 10:11 declares that these events (including Peor) were written as examples for our instruction, giving the enduring purpose of the warning.

Numbers 25:2 records the actual sin at Peor — the Moabite women inviting Israel to idol feasts — which is the event Joshua 22:17 recalls as a caution.

Numbers 31:16 names the 'incident of Peor' explicitly and reveals Balaam's role, adding context to the treachery and plague referenced here.

Ezra 10:10 says marrying foreign women 'increased the guilt of Israel,' directly echoing the idea that Peor's sin was not enough — adding more guilt.

Deuteronomy 4:4 contrasts the faithful survivors at Peor with those who perished, reinforcing Joshua 22:17's point about consequences.