What seven-letter word has hundreds of letters in it?

Rearrange the letters in "new door" to make one word.

It's a 7-letter word.
If we remove 1 letter from it, it remains the same.
If we remove 2 letters from it, it remains the same.
If we remove 3 letters from it, it remains the same.
If we remove all the letters from it, still it remains the same.
What is it?

What do you call a fish without an eye?

When it's bad luck to meet a black cat?

What does an Island and the letter T have in common?

What is the difference between a jeweller and a jailer?

A father is locked up in jail. His wife has gone bankrupt. Their male child has to sell his hotel in order to gain some money. Yet their girl child does not care and is quite happy.

How can someone be so rude?

What kind of band never plays music?

Why do people go to bed?