A speech trait, of which makes you less capable of expressing yourself, and removes your ability to whisper or scream.
examples:
"Fungus." -> "Fungus."
"I CAN'T BELIEVE YOU!! HOW COULD YOU DO THIS?!!" -> "I can't believe you. How could you do this."
"WHo, WHat whEre, wHEn WhY?" -> "Who, what where, when why."
"fungus" -> "Fungus."