Usage: 2 forms in 2 verses
Form Translated As     In Verse(s)
συγκλύσουσιν engulf LXX.Song.8.7
συγκλύσουσί engulf LXX.Isa.43.2

Liddell-Scott-Jones

συγκλύζω (sugkluzō) to engulf G:V

συγκλύζω,

wash over, ποταμοὶ οὐ συγκλύσουσί σε [LXX]:—passive, to be washed over by the waves, of a ship, [Refs 1st c.AD+]

__2 shake up together, κονία συγκλυζομένη [Refs 1st c.AD+]
__II metaphorically in passive, to be overwhelmed, [Refs 5th c.BC+]; to be plunged in debt, [Refs 1st c.AD+]
__II.2 to be in agitation, confusion, τὰ τῆς Ἀσίας συγκεκλυς μένα πράγματα [Refs 2nd c.AD+]

LSJ Scripture Refs: LXX.Isa.43.2LXX.Song.8.7