Mount Nyiragongo vs Nyiragongo

Mount Nyiragongo and Nyiragongo both are nouns.

Word	Noun	Adjective	Verb	Adverb
Mount Nyiragongo	Yes	No	No	No
Nyiragongo	Yes	No	No	No

As nouns, Mount Nyiragongo and Nyiragongo are synonyms defined as:

Mount Nyiragongo and Nyiragongo: an active volcano in eastern Congo, at times with the most voluminous lava lake known in recent history

Mount Nyiragongo (noun)	Nyiragongo (noun)
an active volcano in eastern Congo, at times with the most voluminous lava lake known in recent history	an active volcano in eastern Congo, at times with the most voluminous lava lake known in recent history