G1027
βροντή
thunder
βροντή, -ῆς, ἡ, [in LXX for רַעַם ;] thunder: Mrk.3:17, Jhn.12:29, Rev.4:5 6:1 8:5 10:3, 4 11:19 14:2 16:18 19:6.† (AS)
The KJV translates G1027 in the following manner:
thunderings (8x), thunders (8x), thunder (6x), thundered (2x)
Full Thayer's lexicon entry
βροντή — brontḗ
βροντή, βροντῆς, ἡ, thunder: Mar 3:17 (on which see Βοανεργές); Joh 12:29; Rev 4:5; Rev 6:1; Rev 8:5; Rev 10:3; Rev 11:19; Rev 14:2; Rev 16:18; Rev 19:6. (From Homer down.)
11 occurrences
Mark (1), John (1), Revelation of John (9)