Before 'running shoes' were so popular, shoes were mostly made of leather. They needed to be cleaned with shoe brushes, often 3 of them, one to brush off mud etc, one to apply polish and one to shine the polish. A dying tradition, but I, for one, refuse to wear 'running shoes' for regular attire.
It is one word.
"Everyone" is one word.
One, it's a compound word.
It is one word.
one word
The word "without" consists of one word.
Yes, "schoolchildren" is one word.
One word. 'Sandstorm.'
Starfish is one word.
It is one word: "southernmost."
"Somebody" is one word.