Azerbajdzhan vs Azerbajdzhan Republic

Azerbajdzhan and Azerbajdzhan Republic both are nouns.

Word	Noun	Adjective	Verb	Adverb
Azerbajdzhan	Yes	No	No	No
Azerbajdzhan Republic	Yes	No	No	No

As nouns, Azerbajdzhan and Azerbajdzhan Republic are synonyms defined as:

Azerbajdzhan and Azerbajdzhan Republic: a landlocked republic in southwestern Asia; formerly an Asian soviet

Other synonyms of Azerbajdzhan include Azerbaijan, Azerbaijani Republic.

Azerbajdzhan (noun)	Azerbajdzhan Republic (noun)
a landlocked republic in southwestern Asia; formerly an Asian soviet	a landlocked republic in southwestern Asia; formerly an Asian soviet