This root form (lemma) is used in 3 different forms in the NT: νεανίαν (AMS), νεανίας (NMS), νεανίου (GMS).
It is glossed in 2 different ways: ‘of a young_man’, ‘young_man’.
OET ACTS 7:58 Greek word=νεανίου (neaniou) Morphology=GMS English gloss=‘of a young_man’ SR GNT ACTS 7:58 word 21
OET ACTS 20:9 Greek word=νεανίας (neanias) Morphology=NMS English gloss=‘young_man’ SR GNT ACTS 20:9 word 5
OET ACTS 23:17 Greek word=νεανίαν (neanian) Morphology=AMS English gloss=‘young_man’ SR GNT ACTS 23:17 word 11