'Thirty eighth' in the Bible

Ahab son of Omri became king over Israel in the thirty-eighth year of Judah’s King Asa; Ahab son of Omri reigned over Israel in Samaria 22 years.

In the thirty-eighth year of Judah’s King Azariah, Zechariah son of Jeroboam became king over Israel in Samaria for six months.