Stage whisper and Voicelessness

Stage whisper noun - A loud whisper that can be overheard; on the stage it is heard by the audience but it supposed to be inaudible to the rest of the cast.

Voicelessness and stage whisper are semantically related. In some cases you can use "Voicelessness" instead a noun phrase "Stage whisper".

Voicelessness noun - A disorder of the vocal organs that results in the loss of voice.

Stage whisper and voicelessness are semantically related. Sometimes you can replace phrase "Stage whisper" with "Voicelessness", this terms are similar.