Castles and palaces are not the same thing, A castle is built as a fortified structure to withstand enemy attacks. A palace is built as a place of luxury.
a person and a thing
A memorial is a place that honors a person, event, or thing.
A noun is a word that represents a person, place, thing, or idea.
thing
The noun 'tree' is a word for a large plant; a word for a diagram or arrangement with a structure of branching connecting lines; a word for a thing.
Yes. (person, place or thing & it IS a thing)
Place
A namesake is when a person, place, or thing is named after another person, place, or thing.
Sunscreen is a noun, it is a thing, not a person or place. A noun is a person, place or thing.
The word "week" is a concept or unit of time, not a person, place, or thing.
It can be called a place and thing.