demesne vs suzerainty

demesne and suzerainty both are nouns.

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

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

demesne (noun)	suzerainty (noun)
territory over which rule or control is exercised	the domain of a suzerain
extensive landed property (especially in the country) retained by the owner for his own use	the position or authority of a suzerain