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

1 Corinthians 10:12
Wherefore let him that thinketh he standeth take heed lest he fall.

1 Corinthians 13:5
Doth not behave itself unseemly, seeketh not her own, is not easily provoked, thinketh no evil;

Philippians 3:4
Though I might also have confidence in the flesh. If any other man thinketh that he hath whereof he might trust in the flesh, I more: