princedom vs domain

princedom and domain both are nouns.

Word	Noun	Adjective	Verb	Adverb
princedom	Yes	No	No	No
domain	Yes	No	No	No

As nouns, domain is a hypernym of princedom; that is, domain is a word with a broader meaning than princedom:

Other hypernyms of princedom include demesne, land.

princedom (noun)	domain (noun)
territory ruled by a prince	the content of a particular field of knowledge
the dignity or rank or position of a prince	people in general; especially a distinctive group of people with some shared interest
	(mathematics) the set of values of the independent variable for which a function is defined
	territory over which rule or control is exercised
	a particular environment or walk of life