This root form (lemma) is used in 3 different forms in the NT: ἁγιωσύνην (AFS), ἁγιωσύνης (GFS), ἁγιωσύνῃ (DFS).
It is glossed in 2 different ways: ‘of holiness’, ‘holiness’.
OET ROM 1:4 Greek word=ἁγιωσύνης (hagiōsunaʸs) Morphology=GFS English gloss=‘of holiness’ SR GNT ROM 1:4 word 9
OET 2COR 7:1 Greek word=ἁγιωσύνην (hagiōsunaʸn) Morphology=AFS English gloss=‘holiness’ SR GNT 2COR 7:1 word 17
OET 1TH 3:13 Greek word=ἁγιωσύνῃ (hagiōsunaʸ) Morphology=DFS English gloss=‘holiness’ SR GNT 1TH 3:13 word 11