I am looking for a word that change both gender and number when i add the letter 'S'.

What Word am I Looking For ?

Which part of London exists in France as well ?

I possess a head

I flaunt a tail

But I don't have mouth or legs

Can you find out who I am?

You measure my life in hours
I serve you by expiring
I vanish faster when I am thin
and slower when I am thick
The wind is my energy
What am I?

What word is represented by this rebus?

A mile-long train is moving at sixty miles an hour when it reaches a mile-long tunnel. How long does it take the entire train to pass through the tunnel?

Decode below rebus
D
N
A
T
S , D

Which wheel of car does not rotate when you turn your car right?

I noticed one of the words in the oxford dictionary is spelled incorrectly. What about you?

We are a group of eight brothers. We consider the weak, yet we protect the king in every battle. If we move ahead, we never turn back. Who are we?