Hosea 6:10 KJV
I have seen an horrible thing in the house of Israel: there is the whoredom of Ephraim, Israel is defiled.
Hosea 6:10, King James Version
In context
9 And as troops of robbers wait for a man, so the company of priests murder in the way by consent: for they commit lewdness.
10 I have seen an horrible thing in the house of Israel: there is the whoredom of Ephraim, Israel is defiled.
11 Also, O Judah, he hath set an harvest for thee, when I returned the captivity of my people.