G1668–ἕλκος–helkos

covered with sores and longing to make a full meal off the scraps flung on the floor from the rich man's table. Nay, the dogs, too, used to come and lick his sores.

ἕλκη helkē “sores”

So the first angel went away and poured his bowl on to the earth; and it brought a bad and painful sore upon the men who had on them the mark of the Wild Beast and worshipped his statue.

ἕλκος helkos “a sore”

and they spoke evil of the God in Heaven because of their pains and their sores, and did not repent of their misconduct.

ἑλκῶν helkōn “sores”