Strong’s Greek
G1668 — helkos
The entry below is Strong’s own definition (1890, public domain), and every verse where the word occurs.
ἕλκος
helkos — pronounced hel'-kos
probably from 1670; an ulcer (as if drawn together):--sore. see GREEK for 1670
3 occurrences in the KJV.
Luke 16:21
And desiring to be fed with the crumbs which fell from the rich man’s table: moreover the dogs came and licked his sores.
Revelation 16:2
And the first went, and poured out his vial upon the earth; and there fell a noisome and grievous sore upon the men which had the mark of the beast, and upon them which worshipped his image.
Revelation 16:11
And blasphemed the God of heaven because of their pains and their sores, and repented not of their deeds.