nation vs federation

nation and federation both are nouns.

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

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

Other hypernyms of nation include confederacy, confederation.

nation (noun)	federation (noun)
a politically organized body of people under a single government	the act of constituting a political unity out of a number of separate states or colonies or provinces so that each member retains the management of its internal affairs
the people who live in a nation or country	a union of political organizations
a federation of tribes (especially Native American tribes)	an organization formed by merging several groups or parties