Hosea 4:17 declares Ephraim is joined to idols, reinforcing the harlotry theme with a call to leave them alone.

Hosea 5:3 uses nearly identical language: 'Ephraim has played the harlot; Israel is defiled' — a direct parallel.

Hosea 7:1 picks up the same moment: 'when I would heal Israel, the iniquity of Ephraim is uncovered' — immediate context of the horrible thing.

Hosea 4:11 identifies harlotry and wine as enslaving the heart, explaining the root of the defilement seen in 6:10.

2 Kings 17:7 recounts Israel's sin leading to Assyrian exile — the historical fulfillment of the 'horrible thing' Hosea condemns.

Jeremiah 3:6 echoes Hosea's charge: Israel committed adultery on every high hill, using the same harlotry metaphor for idolatry.

Jeremiah 5:30 repeats the exact phrase 'horrible thing' to describe the land's sin, directly echoing Hosea.

Jeremiah 18:13 calls Israel's sin a 'horrible thing' done by the virgin of Israel — a direct parallel to the defilement in Hosea.

Ezekiel 23:5 personifies Samaria as Oholah playing the harlot — directly parallel to Hosea's accusation of Ephraim's harlotry.

Ezekiel 23:7 continues the harlotry metaphor: Oholah gave herself to Assyrian lovers — directly parallels Hosea's charge of Ephraim's defilement.

Jeremiah 2:13 uses the image of forsaking living water for broken cisterns — a parallel indictment of spiritual adultery.

Jeremiah 5:31 expands on the 'horrible thing' by blaming false prophets and corrupt priests for leading the people astray.

Exodus 32:9 calls Israel 'stiff-necked' after the golden calf — an earlier instance of the stubborn idolatry Hosea sees as a 'horrible thing'.

Deuteronomy 9:13 also describes Israel as stiff-necked — echoing the same rebellious character that Hosea condemns as defilement.

Jeremiah 2:12 calls heaven to be astonished at Israel's sin — parallels God's horror at the 'horrible thing' in Hosea.

Isaiah 28:1 mocks the drunkards of Ephraim — a different sin but the same northern kingdom Hosea indicts for harlotry.