Numbers 22:3
And Moab was sore afraid of the people, because they were many: and Moab was distressed because of the children of Israel.
Cross-references
Exodus 15:15 prophesied Moab's trembling; here that fear is realized as Balak and Moab dread Israel.
Joshua 2:10 confirms that the defeat of Sihon and Og caused widespread fear; the same events terrified Moab.
Joshua 2:11 describes hearts melting in fear—the same reaction Moab had to Israel's advance.
Joshua 9:24 shows Gibeonites acting out of the same fear of Israel that gripped Moab.
Nehemiah 13:2 directly refers back to this event—Moab's fear led to hiring Balaam, which Nehemiah cites as the reason for excluding them.
Deuteronomy 2:25 promises God will put dread of Israel on nations; Moab's fear is an instance of that promise.
Joshua 2:24 reports that all Canaanites faint from fear of Israel, mirroring Moab's distress.
Deuteronomy 2:4 says Edom will fear Israel; Moab's fear here is a similar reaction from another nation.