Strong H389 אַךְ 'ak · surely

Exodus

1. Exodus 12:15
   Seven days shall ye eat unleavened bread; even the first day ye shall put away leaven out of your houses: for whosoever eateth leavened bread from the first day until the seventh day, that soul shall be cut off from Israel.
2. Exodus 12:16
   And in the first day there shall be an holy convocation, and in the seventh day there shall be an holy convocation to you; no manner of work shall be done in them, save that which every man must eat, that only may be done of you.
3. Exodus 21:21
   Notwithstanding, if he continue a day or two, he shall not be punished: for he is his money.
4. Exodus 31:13
   Speak thou also unto the children of Israel, saying, Verily my sabbaths ye shall keep: for it is a sign between me and you throughout your generations; that ye may know that I am the Lord that doth sanctify you.