Can anyone tell me a word in the English dictionary which has a silent 'z'?

what one word does the below rebus identifies?

What shoe company does this rebus represent?

The more it dries, the wetter it becomes. Can you tell what it is?

In the given picture, in how many ways can you read the word "Tiger"?

One absent-minded ancient philosopher forgot to wind up his only clock in the house. He had no radio, TV, telephone, internet, or any other means for telling time. So he travelled on foot to his friend's place a few miles down the straight desert road. He stayed at his friend's house for the night and when he came back home, he knew how to set his clock. How did he know?

My cousin lives in one story house in Antarctica. His house is made the of-of sandstone. what is the color of stairs?

I know a country, If you remove the last alphabet of its name, it will become a part of your body. Do you name it?

A doctor and a boy were fishing. The boy was the doctor’s son, but the doctor was not the boy’s father. Who was the doctor?

If,
29 - 1 = 30
9 - 1 = 10
14 - 1 = 15

Based on similar logic, Can you prove that the below algebraic equation is true?
11 - 1 = 10 ?