G0172–ἄκακος–akakos

For they that are such serve not our Lord Jesus Christ, but their own belly; and by good words and fair speeches deceive the hearts of the simple.

ἀκάκων. akakōn “naive.”

For such an high priest became us, who is holy, harmless, undefiled, separate from sinners, and made higher than the heavens;

ἄκακος, akakos “innocent,”