Difference between Dutchman and Netherlander

What is the difference between Dutchman and Netherlander?

Dutchman as a noun is a piece of wood or stone used to repair a larger piece, shaped such that it fills as exactly as possible a void or cavity that is to be repaired. while Netherlander as a noun is someone from the netherlands

We hope you now know whether to use Dutchman or Netherlander in your sentence.