G0669–ἀποφθέγγομαι–apophthengomai

And they were all filled with the Holy Spirit, and began to speak with other tongues, as the Spirit gave them utterance.

ἀποφθέγγεσθαι apophthengesthai “to utter forth”

But Peter, standing up with the eleven, lifted up his voice, and spake forth unto them, [ergänzt: saying], Ye men of Judaea, and all ye that dwell at Jerusalem, be this known unto you, and give ear unto my words.

ἀπεφθέγξατο apephthegxato “spoke forth”

But Paul saith, I am not mad, most excellent Festus; but speak forth words of truth and soberness.

ἀποφθέγγομαι. apophthengomai “I utter.”