`ophel (Hebrew #6076)
a tumor; also a mound, i.e. fortress
KJV usage: emerod, fort, strong hold, tower.
Pronounce: o'-fel
Origin: from 6075
tchor (Hebrew #2914)
a boil or ulcer (from the inflammation), especially a tumor in the anus or pudenda (the piles)
KJV usage: emerod.
Pronounce: tekh-ore'
Origin: from an unused root meaning to burn