cleanse
Ezekiel 39:14
"They will set apart men who will constantly pass through the land, burying those who were passing through, even those left on the surface of the ground, in order to cleanse it. At the end of seven months they will make a search.
Ezekiel 39:16
"And even [the] name of [the] city will be Hamonah. So they will cleanse the land."'
Numbers 19:16
'Also, anyone who in the open field touches one who has been slain with a sword or who has died [naturally], or a human bone or a grave, shall be unclean for seven days.
Deuteronomy 21:23
his corpse shall not hang all night on the tree, but you shall surely bury him on the same day (for he who is hanged is accursed of God), so that you do not defile your land which the LORD your God gives you as an inheritance.