rogue state vs rogue nation

rogue state and rogue nation both are nouns.

Word	Noun	Adjective	Verb	Adverb
rogue state	Yes	No	No	No
rogue nation	Yes	No	No	No

As nouns, rogue state and rogue nation are synonyms defined as:

rogue state and rogue nation: a state that does not respect other states in its international actions

Other synonyms of rogue state include renegade state.

rogue state (noun)	rogue nation (noun)
a state that does not respect other states in its international actions	a state that does not respect other states in its international actions