mincer

As nouns the difference between mincer and minder

is that mincer is a kitchen utensil used for mincing meat, etc while minder is one who minds, tends, or watches something such as a child, a machine, or cattle; a keeper.

As nouns the difference between miner and mincer

is that miner is a person who works in a mine while mincer is a kitchen utensil used for mincing meat, etc.