suzerain vs nation

suzerain and nation both are nouns.

Word	Noun	Adjective	Verb	Adverb
suzerain	Yes	No	No	No
nation	Yes	No	No	No

As nouns, nation is a hypernym of suzerain; that is, nation is a word with a broader meaning than suzerain:

suzerain: a state exercising a degree of dominion over a dependent state especially in its foreign affairs
nation: a politically organized body of people under a single government

Other hypernyms of suzerain include body politic, commonwealth, country, land, res publica, state.

suzerain (noun)	nation (noun)
a state exercising a degree of dominion over a dependent state especially in its foreign affairs	a politically organized body of people under a single government
	the people who live in a nation or country
	a federation of tribes (especially Native American tribes)