demesne vs hacienda

demesne and hacienda both are nouns.

Word	Noun	Adjective	Verb	Adverb
demesne	Yes	No	No	No
hacienda	Yes	No	No	No

As nouns, hacienda is a hyponym of demesne; that is, hacienda is a word with a more specific, narrower meaning than demesne:

demesne: extensive landed property (especially in the country) retained by the owner for his own use
hacienda: a large estate in Spanish-speaking countries

demesne (noun)	hacienda (noun)
territory over which rule or control is exercised	the main house on a ranch or large estate
extensive landed property (especially in the country) retained by the owner for his own use	a large estate in Spanish-speaking countries