One of the synonyms for the word "voicelessnesses" is "silence." This term refers to the absence of sound or the lack of vocal expression. Another synonym for "voicelessnesses" is "muteness," which suggests a more permanent state of being unable to speak or make sounds. A third synonym is "quietness," which implies a subdued or soft tone, rather than a total lack of sound. "Hush," "stillness," and "serenity" are other synonyms often used to describe the absence of noise or vocalization. Each of these words brings a slightly different nuance to the concept of "voicelessnesses," but all center around the idea of a lack of audible communication.