Verses with the word rebellest in the Old Testament (2 verses):

2 Kings 18:20
Thou sayest, (but they are but vain words,) I have counsel and strength for the war. Now on whom dost thou trust, that thou rebellest against me?

Isaiah 36:5
I say, sayest thou, (but they are but vain words) I have counsel and strength for war: now on whom dost thou trust, that thou rebellest against me?