In Leviticus 18:25, the land became unclean and vomited out its inhabitants, which 18:28 cites as the warning for Israel.

In Leviticus 20:22, the same warning to keep God's statutes so the land does not vomit you out, reinforcing the consequence.

Ezekiel 36:17 explicitly states Israel defiled the land by their ways, leading to exile — the same cause and effect as Leviticus 18:28.

Revelation 3:16 uses the same 'spit out' imagery — Christ will eject the lukewarm as the land ejects the defiled.

Numbers 33:56 warns Israel that what God intended for the Canaanites will happen to them — the same principle of expulsion from the land.

Jeremiah 16:13 says God will hurl Israel out of the land — a direct parallel to being vomited out for defilement.

Ezekiel 33:26 asks if defiled people can possess the land — implying they cannot, exactly the logic of Leviticus 18:28's warning.

Hosea 9:3 echoes the same consequence: being expelled from the land for defilement, here Ephraim's exile to Egypt/Assyria.

Deuteronomy 4:26 warns of perishing from the land due to idolatry — a similar threat of removal, though more about destruction than vomiting.

Jeremiah 16:18 mentions polluting the land with idols, leading to double punishment — the same defilement-consequence link as in Leviticus 18:28.