Usage: 2 forms in 13 verses
Form Translated As     In Verse(s)
παρεξεμού besides me LXX.Isa.45.21
πάρεξ besides LXX.Ruth.4.4LXX.1Sam.21.9LXX.Ezra.1.6LXX.Neh.7.67LXX.Ps.18.31LXX.Eccl.2.25LXX.Isa.43.11LXX.Hos.13.4
except LXX.1Kgs.12.20LXX.Ezek.42.14
only LXX.1Sam.20.39LXX.1Kgs.3.18

Liddell-Scott-Jones

πάρεξ (parex) besides G:PREP

πάρεξ

(on the accent, see below), before a vowel πᾰρέξ (also before a consonant, [Refs 8th c.BC+], etc., and always in [LXX+5th c.BC+]: (παρά, ἐκ): as preposition,

__1 with genitive loci, outside, before, νῆσος.. π. λιμένος τετάνυσται [Refs 8th c.BC+]; παρὲξ ὁδοῦ out of the road, [Refs 8th c.BC+]
__2 besides, except, [Refs 5th c.BC+]; ἑτέραν [ἐπιστήμην] πάρεξ τῶν εἰρημένων εὑρεῖν Pl.[same place],[Refs 4th c.BC+]
__3 οἰωνοῖο π. contrary to the omen, [Refs 3rd c.BC+]; π. οὗ πατρός against the wish of.., [Refs]
__II with accusative, along the side of, along, παρὲξ ἅλα φῦκος ἔχευεν [Refs 8th c.BC+]; παρὲξ τὴν νῆσον past, clear of the island, [Refs 8th c.BC+]; παρὲξ περιμήκεα δοῦρα alongside of.., [Refs]; παρὲξ.. νῆα past it,[Refs 8th c.BC+]; παρὲκ νόον aside from sense and reason,[Refs]; foolishly, [Refs]; παρὲξ ὀλίγον θανάτοιο within a little of death, [Refs 3rd c.BC+]
__II.2 παρὲξ Αχιλῆα without the knowledge of Achilles, [Refs 8th c.BC+]
__II.3 contrary to, νόον τινός [Refs 3rd c.BC+]; π. Διὸς βουλήν[Refs]
__II.4 beside, πολίσματα π. αὐτὰς Πάτρας ἄλλα [Refs 2nd c.AD+]
__II.5 except, Supp. epigram [Refs 1st c.BC+]
__B as adverb,
__B.1 of Place, out beside, out and away, λαβὼνπεριμήκεα κοντὸν ὦσα παρέξ [Refs 8th c.BC+]; νῆχε παρέξ out along shore, [Refs]; στῆ δὲ παρέξ hard by, [Refs 8th c.BC+]; τῆλε παρέξ far away, [Refs 3rd c.BC+]
__B.2 metaphorically, beside the mark, παρὲξ ἀγορευέμεν [Refs 8th c.BC+]
__B.3 ἄλλα παρὲξ μεμνώμεθα let us talk of something else, [Refs]
__B.4 excepting, Μῆδοι.. ἄρξαντες τῆς Ἀσίης ἐπ᾽ ἔτεα τριήκοντα καὶ ἑκατὸν δυῶν δέοντα πάρεξ ὅσον οἱ Σκύθαι ἦρχον except so long as.. (i.e. including that period), [Refs 5th c.BC+] besides, exclusive of.., probably in [Refs 2nd c.AD+]: absolutely, besides, ταῦτα π. δὲ μηδέν [Refs 8th c.BC+]

LSJ Scripture Refs: LXX.Judg.8.26