Lexical Definition

‎συνοικέω‎ synoikéō (soon-oy-keh'-o) to live with G:V
from ‎σύν‎ and ‎οἰκέω‎

dwell together.

Usage: 6 forms in 7 verses
Form Translated As     In Verse(s)
συνώκησεν lived with LXX.Judg.14.20
συνωκηκυία living LXX.Gen.20.3
συνοικών living with LXX.Isa.62.5
συνοικοῦντεσ dwelling with 1Pet.3.7
συνοικήση should live with LXX.Deut.22.13LXX.Deut.24.1
συνοικήσει he shall live with LXX.Deut.25.5

Abbott-Smith

συν-οικέω, -ῶ [in LXX for בּעל etc. ;]
to dwell together: of man and wife (Hdt., al.), c. dat. pers., I Pe 3:7,†

Abbott-Smith References

Book Refs
1 Peter 3:7

Liddell-Scott-Jones

συνοικέω-έω,

dwell or live together, [Refs 8th c.BC+]; ξ. τινί live with, [Refs 5th c.BC+]; of peoples, live together, form a community, συνοικέωήσων τούτοισι [Refs 5th c.BC+]

__2 live with in wedlock, of the man, [Refs 5th c.BC+], etc.; of the woman, ἔοισα (perhaps νέοισι) γεραιτέρα [Refs 7th c.BC+]: absolutely, live in wedlock, [NT+5th c.BC+]; τούτων συνοικέωησάντων γίνεται Κλεισθένης from their marriage sprang Cleisthenes, [Refs 5th c.BC+]
__3 metaphorically of feelings, circumstances, etc., μυρίον ἄχθος ξυνοικεῖ with which he dwells, [Refs 5th c.BC+]; ἡδοναῖς, ἀμαθίᾳ, [Refs 5th c.BC+]; βαρυτάτη συνοικέωῆσαι (i.e. ἄνομος μοναρχία) [Refs 5th c.BC+]; also ἱππικοῖς ἐν ἤθεσιν πολὺς ξ. being much versed in their ways, [Refs 5th c.BC+]
__3.b reversely, with the thing as subject, γῆρας ἵνα πρόπαντα κακὰ κακῶν ξυνοικεῖ [συνοικέωίᾳ μήτε πλοῦτος συνοικέωῇ μήτε πενία 5th-6th c.BC: Plato Philosophus “Leges” 679b; ὅπου σ. ἐρημία 3rd c.BC: Lycophron Tragicus 957 ">Refs 5th c.BC+]; of the poisoned robe of Heracles, cling closely, [Refs 5th c.BC+]
__3.c Astrology texts, share the same domicile, ὅταν Παφίη Ἑρμῇ στείχουσα συνοικέω [Refs 4th c.AD+]
__II with accusative loci, people or colonize jointly with, σ. Κυρηναίοισι Λιβύην [Refs 5th c.BC+]:—passive, of a place, to be thickly peopled, [Refs 5th c.BC+]

LSJ Scripture Refs: 1Pet.3.7