This root form (lemma) is used in 3 different forms in the NT: ἀσφάλεια (NFS), ἀσφάλειαν (AFS), ἀσφαλείᾳ (DFS).
It is glossed in 2 different ways: ‘certainty’, ‘security’.
OET LUKE 1:4 Greek word=ἀσφάλειαν (asfaleian) Morphology=AFS English gloss=‘certainty’ SR GNT LUKE 1:4 word 9
OET ACTS 5:23 Greek word=ἀσφαλείᾳ (asfaleia) Morphology=DFS English gloss=‘security’ SR GNT ACTS 5:23 word 11
OET 1TH 5:3 Greek word=ἀσφάλεια (asfaleia) Morphology=NFS English gloss=‘security’ SR GNT 1TH 5:3 word 7