Synonyms for Muteness:

n.

words, wordlessness. attribute (noun)
silence.
dumbness (noun)
soundlessness, voicelessness, wordlessness, speechlessness, dumbness.
non-resonance (noun)
dullness, silence, non-resonance, flatness, deadness.
silence (noun)
lull, noiselessness, reticence, hush, stillness, quiet, dumbness, soundlessness, taciturnity, inaudibility, speechlessness.
taciturnity (noun)
reticence, taciturnity, reservedness, succinctness, curtness.

Other synonyms:

wordlessness. Other relevant words:
words, wordlessness.