The answer is "rut"
A rut.
it suppose to be a word that can be spelled by changing one letter in the word rat. And that is from WORD LADDERS if you ever use them. Or else, you don't need to think about the word rat. Just think about rut.And the word is rut.
a groovy wheel.
A pulley for a drive belt.
A furrow
gully
A gully is a deep groove in the ground that sounds somewhat like bully.
black people
Tire out of balance, defective tire, bent wheel, loose wheel, worn steering parts, worn or loose wheel bearing, worn suspension parts.
This is called a pulley.
A wheel, a groove and a rope/chain.
A pulley has a grooved wheel with a rope running along the groove. It is used to lift or move heavy objects by changing the direction of the force needed to lift them.