Donjon and Maintenance

Donjon noun - The main tower within the walls of a medieval castle or fortress.

Maintenance and donjon are semantically related. In some cases you can use "Maintenance" instead a noun "Donjon".

Maintenance noun - The act or activity of keeping something in an existing and usually satisfactory condition.

Donjon and maintenance are semantically related. Sometimes you can use "Donjon" instead a noun "Maintenance".