Answer:
I will disappear every time you say my name. What am I?
When I am caught I am thrown away. When I escape you itch all day.
What invention lets you look right through a wall?
I am a tool for fairies.
In wealth I abound; in water I stand; as a fencer I'm valued all over the land; at Venice I'm famous; by farmers I'm prized; respected by law yet huntsmen despised; consternation and ruin ensue when I break; And the beasts of the forest advantage won't take.
I flow from the Homerβs mouth when he sees doughnuts.