Answer:
What is so fragile that saying its name breaks it?
A dragon's tooth in a mortal's hand, I kill, I maim, I divide the land.
Used left or right I get to travel over cobblestone or gravel. Used up I vie for sweet success used down I cause men great duress.
I fill a room but take no space.
small land in water.
A word of five letters, Upside down is the same, A shark does this, But itβs not to blame. What is the word?