Exo 1:11Therefore they did set over them taskmasters to afflict them with their burdensH5450. And they built for Pharaoh treasure cities, Pithom and Raamses.
Exo 2:11¶ And it came to pass in those days, when Moses was grown, that he went out unto his brethren, and looked on their burdensH5450: and he spied an Egyptian smiting an Hebrew, one of his brethren.
Exo 6:6Wherefore say unto the children of Israel, I am the LORD, and I will bring you out from under the burdensH5450 of the Egyptians, and I will rid you out of their bondage, and I will redeem you with a stretched out arm, and with great judgments:
Exo 6:7And I will take you to me for a people, and I will be to you a God: and ye shall know that I am the LORD your God, which bringeth you out from under the burdensH5450 of the Egyptians.