φθέγγομαι

Derivation

probably akin to G5338 (φέγγος) and thus to G5346 (φημί);

Meaning

to utter a clear sound, i.e. (generally) to proclaim

In the King James Version

speak

Translated as

speak (2), speaking (1)

Where it appears

Found in 3 verses

Acts

4:18

2 Peter

2:16, 2:18