φθογγήεις
From LSJ
ζηλοῦτε δὲ τὰ χαρίσματα τὰ μείζονα. Καὶ ἔτι καθ᾽ ὑπερβολὴν ὁδὸν ὑμῖν δείκνυμι (1 Corinthians 12:31) → But go ahead and strive for the greater gifts. And I'm about to show you a still more excellent way.
English (LSJ)
εσσα, εν, contr. φθογγῆς,
A sounding, Hdn.Gr.2.618, al.; φωνήεντας καὶ φθογγήεντας, of vowels, Nicom. Exc.6.
Greek (Liddell-Scott)
φθογγήεις: εσσα, εν, συνῃρ. φθογγῆς, φθογγῆντος, ὁ ποιῶν φθόγγον, ἠχῶν, Α. Β. 1188.