G2845–κοίτη–koitē

And he from within shall answer and say, Trouble me not: the door is now shut, and my children are with me in bed; I cannot rise and give thee.

κοίτην koitēn “bed”

And not only this; but when Rebecca also had conceived by one, even by our father Isaac,

κοίτην koitēn “conception”

Let us walk honestly, as in the day; not in rioting and drunkenness, not in chambering and wantonness, not in strife and envying.

κοίταις koitais “in sexual immorality”

Marriage is honorable in all, and the bed undefiled: but lewd persons and adulterers God will judge.

κοίτη koitē “marriage bed”