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

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

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

I am the black child of a white father, a wingless bird, flying even to the clouds of heaven. I give birth to tears of mourning in pupils that meet me, even though there is no cause for grief, and at once on my birth, I am dissolved into air. What am I?

There is something which is always coming but never arrives?

What word is pronounced the same if you take away four of its five letters?

Jack and Joseph are well-known golf rivals. One Day during a match, they were level at a score of 30. Jack hit a bad shot and Joseph added 10 to his score. Joseph then hit an awesome shot and he won the game.

How ?

You can see it everyday, But cannot touch it at will. What is it?

It has a long neck, A name of a bird, Feeds on cargo of ships, It's not alive,

What is it?

What can you catch but never throw?