G5350–φθέγγομαι–phthengomai

And they called them, and charged them not to speak at all nor teach in the name of Jesus.

φθέγγεσθαι phthengesthai “to speak”

but he was rebuked for his own transgression: a dumb ass spake with man's voice and stayed the madness of the prophet.

φθεγξάμενον phthegxamenon “having spoken”

For, uttering great swelling [supplied: words] of vanity, they entice in the lusts of the flesh, by lasciviousness, those who are just escaping from them that live in error;

φθεγγόμενοι phthengomenoi “speaking words”