Usage: 10 forms in 27 verses
Form Translated As     In Verse(s)
νεανίσ young woman LXX.Exod.2.8 • LXX.2Kgs.5.4
νεανίδων of young women LXX.Judg.5.8 • LXX.Ps.68.25
νεανίδα young woman LXX.2Kgs.5.2
νεάνισ young woman LXX.Deut.22.27 • LXX.Ruth.2.5 • LXX.1Kgs.1.4 • LXX.Dan.11.6
νεάνιν young woman LXX.Deut.22.21 • LXX.Deut.22.24
νεάνιδοσ young woman LXX.Deut.22.19 • LXX.Deut.22.29 • LXX.Judg.19.3 • LXX.Judg.19.4 • LXX.Judg.19.5 • LXX.Judg.19.6 • LXX.Judg.19.8 • LXX.Judg.19.9
νεάνιδι young woman LXX.Deut.22.20 • LXX.Deut.22.26 • LXX.Deut.22.26
νεάνιδεσ young women LXX.Song.1.3 • LXX.Song.6.8
νεάνιδασ young women LXX.Judg.21.12
νεάνιδα a young LXX.1Kgs.1.2
young woman LXX.1Kgs.1.3

Liddell-Scott-Jones

νεᾶνις (neanis) a young woman G:N-F

νεᾶνις,

Epic dialect and Ionic dialect νεῆνις (contraction νῆνις [Refs 6th c.BC+], ῐδος, ἡ, accusative -ιδα[Refs 4th c.BC+], -ιν [Refs 5th c.BC+]:—girl, maiden, [Refs 8th c.BC+]; of a young married woman, [Refs 8th c.BC+]

__II as adjective, youthful, χεῖρες, ἧβαι, [Refs 5th c.BC+]
__II.2 new, βίβλος [LXX+6th c.AD+]

LSJ Scripture Refs: LXX.Exod.2.8