σιγή ποτ' ἐστὶν αἱρετωτέρα λόγου → sometimes silence is preferable to words (Menander)
shout: P. and V. βοή, ἡ; see cry.
voice: P. and V. φωνή, ἡ. φθέγμα, τό (rare P.)
word: P. and V. λόγος, ὁ.