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

I know a ten-letter word in the English language which can be typed using only the top rows of the computer keyboard.

What can you catch but never throw?

Can you find the odd one out from the below words ?

First Second Third Forth Fifth Sixth Seventh, Eighth Nine Ten Eleven Twelve.

Can you solve the tricky chess rebus puzzle below by ciphering the hidden meaning?

If nine thousand, nine hundred nine dollars is written as $9,909,
how should twelve thousand, twelve hundred twelve dollars be written?

How can you leave a room with two legs and return with six legs?

If a boy blows 18 bubbles,
Then pops 6 eats 7 and then
He pops 5 and blows 1.
How many are left?

What will you call your mother's brother's brother-in-law?

John leaves home and then he takes three right turns. John wants to return to home but he was scared of Jacob, who is wearing a mask.

What is John Situation ?