ἀθέτησις G115
athétēsis · ath-et'-ay-sis · Noun Feminine
from ἀθετέω; cancellation (literally or figuratively):--disaning, put away.
2 Occurrences in the King James Bible
Hebrews 7:18For there is verily a disannulling of the commandment going before for the weakness and unprofitableness thereof.
Hebrews 9:26For then must he often have suffered since the foundation of the world: but now once in the end of the world hath he appeared to put away sin by the sacrifice of himself.