Verses with the word thinketh in the Old Testament (3 verses):

2 Samuel 18:27
And the watchman said, Me thinketh the running of the foremost is like the running of Ahimaaz the son of Zadok. And the king said, He is a good man, and cometh with good tidings.

Psalms 40:17
But I am poor and needy; yet the Lord thinketh upon me: thou art my help and my deliverer; make no tarrying, O my God.

Proverbs 23:7
For as he thinketh in his heart, so is he: Eat and drink, saith he to thee; but his heart is not with thee.