Dict: strongs - genuineness

Strongs:

G4973 @ σφραγίς sphragis sfrag-ece' Probably strengthened from G5420; a signet (as fencing in or protecting from misappropriation); by implication the stamp impressed (as a mark of privacy or genuineness) literally or figuratively: - seal.

G861 @ ἀφθαρσία aphtharsia af-thar-see'-ah From G862; incorruptibility; generally unending existence; (figuratively) genuineness: - immortality incorruption sincerity.