Usage: 2 forms in 4 verses
Form Translated As     In Verse(s)
λεπρώσα became leprous LXX.Num.12.10
leprous LXX.Exod.4.6
she was leprous LXX.Num.12.10
λέπρα leprous LXX.Lev.22.4

Liddell-Scott-Jones

λεπράω (lepraō) to become leprous G:V

λεπράω-άω,

have or catch leprosy, [LXX]; become scaly or rough, λ. τὴν κύστιν [Refs 5th c.BC+]; λεπράωᾶν κεράμιον ὀξηρόν the vinegar-jar is mouldy, [Refs 5th c.BC+]

LSJ Scripture Refs: LXX.Num.12.10