G0796
ἀστραπή
lightning
ἀστραπή, -ῆς, ἡ [in LXX for בָּרָק ;] lightning: Mat.24:27 28:3, Luk.10:18 17:24; pl., Rev.4:5 8:5 11:19 16:18; of a lamp, shining brightness, Luk.11:36.† (AS)
Full Thayer's lexicon entry
ἀστραπή — astrapḗ
ἀστραπή, ἀστραπῆς, ἡ, lightning: Luk 10:18; Luk 17:24; Mat 24:27; Mat 28:3; plural, Rev 4:5; Rev 8:5; Rev 11:19; Rev 16:18; of the gleam of a lamp, Luk 11:36 (so Aeschylus fragment (from schol. on Sophocles Oed. Col. 1047) 188 Ahrens, 372 Dindorf).
9 occurrences
Matthew (2), Luke (3), Revelation of John (4)