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

It belongs to you, but other people use it more than you do. What is it?

I am a ten letters word
The first four letters have the power to rule,
Next, four-letter can be eaten.
The next three-letter represents a lady.
I can fly as well

what am I looking for?

If Rajina's daughter is my daughter's mom, who am I to Rajina?

What goes up but never comes down?

What is in seasons, seconds, centuries and minutes but not in decades, years or days?

Living above a star, I do not burn
Eleven friends and they do not turn
I can just be visited in a sequence, not once or repeatedly
PQRS are my initials
Can you tell my name accurately?

I have holes on the top and bottom. I have holes on my left and on my right. And I have holes in the middle, yet I still hold water. What am I?

Which English verb becomes past tense just by rearranging the letters?

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?