Usage: 9 forms in 13 verses
Form Translated As     In Verse(s)
διαπεσείται shall fall into ruin LXX.Job.14.18
shall miscarry LXX.Num.5.27
διαπεσείν to miscarry LXX.Num.5.22
διαπεπτωκότα to miscarry LXX.Num.5.21
διαπίπτων having fallen into ruin LXX.Jer.19.13
διαπίπτουσαν having fallen into ruin LXX.Jer.19.12
διαπέσητε faint LXX.Neh.8.10
διέπεσον they perished LXX.Deut.2.15
διέπεσεν failed LXX.Josh.21.45
διέπεσε failed LXX.Jer.18.4
failed not LXX.Josh.23.14
fell into ruin LXX.Nah.2.6
perished LXX.Deut.2.14

Liddell-Scott-Jones

διαπίπτω (diapiptō) to fail G:V

διαπίπτω,

fall through, [Refs 4th c.BC+]

__II fall away, slip away, escape, ἐν τῇ μάχῃ [Refs 5th c.BC+]; πρός τινα[Refs 2nd c.BC+]
__II.2 of reports and rumours, spread abroad, εἰς τὰ στρατεύματα [Refs 1st c.AD+]
__II.3 of Time, elapse, [Refs 4th c.BC+]
__III fall asunder, crumble in pieces, διαπέσοιμι πανταχῇ [Refs 5th c.BC+]; burst, of bubbles, [Refs]; rot, [LXX]; perish, διέπεσε πᾶσα γενεὰ ἀνδρῶν[LXX]; to be missing, lost, of moneys, etc., [Refs 3rd c.BC+], etc.; of books, to be imperfect, [Refs 1st c.AD+]
__III.b of an intermittent pulse, [Refs 2nd c.AD+]
__III.2 of things, turn out ill, be useless, τὸ συκοφάντημα διέπιπτεν αὐτῷ [Refs 4th c.BC+]
__III.3 of persons, make mistakes, ἐν τοῖς σημαινομένοις [Refs 3rd c.BC+] W.: with genitive, fail of, miss, [Refs 5th c.BC+]: absolutely, err, [Refs 1st c.BC+]; to be cheated, ἐν χρήσει νομίσματος [Refs 2nd c.AD+]
__IV διαπίπτουσα or τόπος διαπίπτων, Tophet, [LXX]

LSJ Scripture Refs: LXX.Num.5.21LXX.Deut.2.14LXX.Jer.19.12