kashal (Hebrew #3782)
to totter or waver (through weakness of the legs, especially the ankle); by implication, to falter, stumble, faint or fall
KJV usage: bereave (from the margin), cast down, be decayed, (cause to) fail, (cause, make to) fall (down, -ing), feeble, be (the) ruin(-ed, of), (be) overthrown, (cause to) stumble, X utterly, be weak.
Pronounce: kaw-shal'
Origin: a primitive root
shakol (Hebrew #7921)
properly, to miscarry, i.e. suffer abortion; by analogy, to bereave (literally or figuratively)
KJV usage: bereave (of children), barren, cast calf (fruit, young), be (make) childless, deprive, destroy, X expect, lose children, miscarry, rob of children, spoil.
Pronounce: shaw-kole'
Origin: a primitive root