Exodus 12:15-16 "‘Seven days you shall eat unleavened bread; even the first day you shall put away yeast out of your houses, for whoever eats leavened bread from the first day until the seventh day, that soul shall be cut off from Israel.

WEB_Strongs⁽ⁱ⁾

15 H7651 "‘Seven H3117 days H398 you shall eat H4682 unleavened bread; H389 even H7223 the first H3117 day H7673 you shall put away H7603 yeast H1004 out of your houses, H398 for whoever eats H2557 leavened bread H7223 from the first H3117 day H7637 until the seventh H3117 day, H5315 that soul H3772 shall be cut H3478 off from Israel.

16 H7223 In the first H3117 day H6944 there shall be to you a holy H4744 convocation, H7637 and in the seventh H3117 day H6944 a holy H4744 convocation; H4399 no kind of work H6213 shall be done H389 in them, except H5315 that which every man H398 must eat, H6213 that only may be done by you.