Their slain
chalal  (khaw-lawl')
pierced (especially to death); figuratively, polluted -- kill, profane, slain (man), slew, (deadly) wounded.
also shall be cast out
shalak  (shaw-lak)
to throw out, down or away -- adventure, cast (away, down, forth, off, out), hurl, pluck, throw.
and their stink
b'osh  (be-oshe')
a stench -- stink.
shall come up
`alah  (aw-law')
to ascend, intransitively (be high) or actively (mount); used in a great variety of senses, primary and secondary, literal and figurative (as follow)
out of their carcases
peger  (peh'gher)
a carcase (as limp), whether of man or beast; figuratively, an idolatrous image -- carcase, corpse, dead body.
and the mountains
har  (har)
a mountain or range of hills (sometimes used figuratively) -- hill (country), mount(-ain), promotion.
shall be melted
macac  (maw-sas')
to liquefy; figuratively, to waste (with disease), to faint (with fatigue, fear or grief) -- discourage, faint, be loosed, melt (away), refuse, utterly.
with their blood
dam  (dawm)
blood (as that which when shed causes death) of man or an animal; by analogy, the juice of the grape; figuratively (especially in the plural) bloodshed (i.e. drops of blood)