Artsakh vs Republic of Artsakh

Artsakh and Republic of Artsakh both are nouns.

Word	Noun	Adjective	Verb	Adverb
Artsakh	Yes	No	No	No
Republic of Artsakh	Yes	No	No	No

As nouns, Artsakh and Republic of Artsakh are synonyms defined as:

Artsakh and Republic of Artsakh: unrecognized de-facto state in South Caucasus

Other synonyms of Artsakh include Nagorno-Karabakh, Nagorno-Karabakh Republic.

Artsakh (noun)	Republic of Artsakh (noun)
unrecognized de-facto state in South Caucasus	unrecognized de-facto state in South Caucasus