'Eighth' in the Bible

In the thirty and eighth year of Azariah king of Judah did Zechariah the son of Jeroboam reign over Israel in Samaria six months.

and Jehoiachin the king of Judah went out to the king of Babylon, he, and his mother, and his servants, and his princes, and his officers: and the king of Babylon took him in the eighth year of his reign.