miner / minor
A worker in a mine versus a person under age, or smaller.
A miner works in a mine. A minor is under the legal age, or smaller: a minor change. Do not write coal minor.
Examples
Use a coal miner
Use a minor change
Avoid a coal minor
A worker in a mine versus a person under age, or smaller.
A miner works in a mine. A minor is under the legal age, or smaller: a minor change. Do not write coal minor.
Use a coal miner
Use a minor change
Avoid a coal minor