Matthew 24:31σάλπιγγος
And He will send out His angels with a loud trumpet call, and they will gather His elect from the four winds, from one end of the heavens to the other.
1 Corinthians 14:8σάλπιγξ
Again, if the trumpet sounds a muffled call, who will prepare for battle?
1 Thessalonians 4:16σάλπιγγι
For the Lord Himself will descend from heaven with a loud command, with the voice of an archangel, and with the trumpet of God, and the dead in Christ will be the first to rise.
Hebrews 12:19σάλπιγγος
to a trumpet blast or to a voice that made its hearers beg that no further word be spoken.
Revelation 1:10σάλπιγγος
On the Lord’s day I was in the Spirit, and I heard behind me a loud voice like a trumpet,

Abbott-Smith

σάλπιγξ, -ιγγος, ἡ
[in LXX chiefly for שׁוֹפָר, חֲצֹצְרָה ;]
a trumpet, used in war and in religious ceremonies: 1Co.14:8, Heb.12:19, Rev.1:10 4:1 8:2, 6 8:11 9:14 By meton., a trumpet blast: μετὰ σ. μεγάλης, Mat.24:31; ἐν σ. θεοῦ, 1Th.4:16; ἐν τ. ἐσχάτῃ σ., 1Co.15:52.†
(AS)

Sources: Abbott-Smith’s Manual Greek Lexicon of the New Testament (1922, public domain) and glosses from STEPBible TBESG (CC BY 4.0); STEPBible TAGNT (Greek New Testament, CC BY 4.0); the Berean Standard Bible (public domain). Reformatted by Word Study, wording unchanged. All sources and licenses.