'Eighteen' in the Bible
And the Israelites served Eglon king of Moab eighteen years.
And they oppressed and crushed and broke the Israelites that year. For eighteen years they oppressed all the Israelites beyond the Jordan in the land of the Amorites, which is in Gilead.
He fashioned the two pillars of bronze, each eighteen cubits high, and a line of twelve cubits measured its circumference.
Jehoiachin was eighteen years old when he began his three-month reign in Jerusalem. His mother was Nehushta daughter of Elnathan of Jerusalem.
The height of the one pillar was eighteen cubits, and upon it was a capital of bronze. The height of the capital was three cubits; a network and pomegranates round about the capital were all of bronze. And the second pillar had the same as these, with a network.
Meshelemiah had sons and brethren, strong and able men -- "eighteen in all.
And Rehoboam loved Maacah daughter [granddaughter] of Absalom more than all his wives and concubines -- "for he took eighteen wives and sixty concubines, and he had twenty-eight sons and sixty daughters.
Concerning the pillars, the height of the one pillar was eighteen cubits (twenty-seven feet), and an ornamental molding of twelve cubits (eighteen feet) went around its circumference; it was four fingers thick, and it [the pillar] was hollow.
Thus says the Lord of hosts: These people say, The time is not yet come that the Lord's house should be rebuilt [although Cyrus had ordered it done eighteen years before].
Or those eighteen on whom the tower in Siloam fell and killed them -- "do you think that they were more guilty offenders (debtors) than all the others who dwelt in Jerusalem?
And there was a woman there who for eighteen years had had an infirmity caused by a spirit ( a demon of sickness). She was bent completely forward and utterly unable to straighten herself up or to look upward.
And ought not this woman, a daughter of Abraham, whom Satan has kept bound for eighteen years, be loosed from this bond on the Sabbath day?