Mount Asama vs Asama

Mount Asama and Asama both are nouns.

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

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

Mount Asama and Asama: a volcano in central Honshu near Nagano; one of the largest volcanoes in Japan (8,340 feet)

Mount Asama (noun)	Asama (noun)
a volcano in central Honshu near Nagano; one of the largest volcanoes in Japan (8,340 feet)	a volcano in central Honshu near Nagano; one of the largest volcanoes in Japan (8,340 feet)