κατιόω G2728
katióō · kat-ee-o'-o · Verb
from κατά and a derivative of ἰός; to rust down, i.e. corrode:--canker.
1 Occurrence in the King James Bible
James 5:3Your gold and silver is cankered; and the rust of them shall be a witness against you, and shall eat your flesh as it were fire. Ye have heaped treasure together for the last days.