Usage: 3 forms in 3 verses
Form Translated As     In Verse(s)
συνωκισμένησ living LXX.Deut.22.22
συνοικισθήση you shall be living together LXX.Deut.21.13
συνοικισθήσεται shall be lived in together LXX.Isa.62.4

Liddell-Scott-Jones

συνοικίζω (sunoikizō) to live together G:V

συνοικίζω-ίζω,

future Attic dialect -ιῶ[Refs 1st c.BC+]: perfect -ῴκικα[Refs 1st c.BC+]:— make to live with, [Refs 5th c.BC+]; σ. τινὶ τὴν θυγατέρα to give him one's daughter in marriage, [συνοικίζωίσας 5th c.BC: Euripides Tragicus “Hercules Furens” 68 ">Refs 5th c.BC+]; rarely with the reverse construction, τοὺς δούλους ταῖς τῶν δεσποτῶν γυναιξὶ σ. [Refs 2nd c.BC+]

__II combine or join in one city, μὴ Τροίαν ἀθροίσῃ καὶ ξυνοικίσῃ πάλιν [Refs 5th c.BC+]; unite into a city-state, ἐς τὴν νῦν πόλιν οὖσαν ξ. πάντας [Refs 5th c.BC+] —passive, ξυνοικισθείσης πόλεως a city having been regularly formed, opposed to κατὰ κώμας οἰκίζεσθαι, [συνοικίζωισθέντες 5th-6th c.BC: Xenophon Historicus “Respublica Atheniensium” 2.2; Χαλκιδέων εἰς ἓν συνῳκισμένων 4th c.BC: Demosthenes Orator 19.263; σ. κατὰ πόλεις 5th-6th c.BC: Isocrates Orator 15.82 ">Refs 5th c.BC+]; ἐκ τῶν τυχόντων ἀνθρώπων σ. [Refs 4th c.BC+]
__II.2 unite in one building, [Refs 3rd c.BC+]
__III join in peopling or colonizing a country, [Refs 5th c.BC+]; τισι [Refs]
__IV generally, unite, associate, οἵῳ με δαίμων φιλοσόφῳ συνῴκισεν [συνοικίζωιζομένους 1st-2nd c.AD: Plutarchus Biographus et Philosophus “Coriolanus” 13. ">Refs 1st c.AD+]