Usage: 2 forms in 2 verses
Form Translated As     In Verse(s)
αγνού of chaste tree LXX.Lev.23.40
άγνου of chaste tree LXX.Job.40.22

Liddell-Scott-Jones

ἄγνος (agnos) pure G:N-M

ἄγνος, ,

Attic dialect , ={λύγος}, chaste-tree, the branches of which were strewed by matrons on their beds at the Thesmophoria, Vitex Agnus-castus, [Refs 5th c.BC+]

__II ἄγνος, , name of a fish, ={καλλιώνυμος} [Refs 3rd c.BC+]
__III a kind of bird, [Refs 5th c.BC+]