G5350
φθέγγομαι
to speak
φθέγγομαι [in LXX for עָנָה, נָבַע hi., etc. ;] of men or animals, to utter a sound or voice: absol., Act.4:18; before ἐν φωνῇ, 2Pe.2:16; with accusative, ὑπέρογκα, 2Pe.2:18.† (AS)
The KJV translates G5350 in the following manner:
speak (4x), speaking (2x)
Full Thayer's lexicon entry
φθέγγομαι — phthéngomai
φθέγγομαι; 1 aorist participle φθεγξάμενος; (φέγγος (but cf. Vanicek, p. 1176), ΦΑΩ); deponent middle; from Homer down;
1. to give out a sound, noise, or cry; used by the Greeks of any sort of sound or voice, whether of man or animal or inanimate object — as of thunder, musical instruments, etc.; (φθέγγεσθαι denotes sound in its relation to the hearer rather than to its cause; the μέγα λαλῶν is a braggart, the μέγα φθεγγόμενος. is a lofty orator; Schmidt, Syn., chapter 1 § 53).
2. to proclaim; to speak, utter: Act 4:18; ὑπέρογκα, 2Pe 2:18 (ἄδικα, Wis 1:8); ὑποζύγιον, ἄφωνον ἐν ἀνθρωπίνῃ φωνή φθεγξάμενον, 2Pe 2:16. (Compare: ἀποφθέγγομαι.)
3 occurrences
Acts (1), II Peter (2)