Answer:
I know a word of letters three. Add two, and fewer there will be!
During the 1800's these turned women into hourglasses and is becoming more popular again these days
Walk on the living, they donβt even mumble. Walk on the dead, they mutter and grumble
What can you throw but not catch?
There are millions of me. I am very small but when moving fast I am deadly.
What never gets any wetter no matter how hard it rains?