Usage: 5 forms in 6 verses
Form Translated As     In Verse(s)
αποποιού undo LXX.Job.14.15
αποποιήσηται shall undo LXX.Job.36.5
will undo LXX.Job.8.20
αποποίη should you undo LXX.Job.40.8
απεποιήσω undo LXX.Job.15.4
απεποιήσαντο undid me LXX.Job.19.18

Liddell-Scott-Jones

ἀποποιέω (apopoieō) to undo G:V

ἀποποιέω-έω,

unmake, [Refs]

__2 deduct, τὸ ἀποποιέωηθέν[Refs 2nd c.AD+]
__II middle, put away from oneself, reject, [LXX+1st c.AD+]; refuse, δὼρον[Refs 3rd c.AD+]; deny, disclaim, εἰδέναι τι[Refs 2nd c.AD+]; do away with, kill, [Refs]

LSJ Scripture Refs: LXX.Job.14.15