Usage: 2 forms in 2 verses
Form Translated As     In Verse(s)
καταφλέγον burning up LXX.Ps.105.32
κατέφλεξεν burnt up LXX.Ps.106.18

Liddell-Scott-Jones

καταφλέγω (kataphlegō) to burn up G:V

καταφλέγω-φλέγω,

future - φλέξω [Refs 8th c.BC+]: aorist -έφλεξα [Refs 8th c.BC+]:— burn up, consume, πυρί [prev. cited],[Refs 4th c.BC+]; of a caustic drug, [Refs 7th c.BC+]:—passive, to be burnt, aorist 1 -εφλέχθην [Refs 5th c.BC+]: aorist 2 -εφλέγην [Refs 1st c.AD+]