Kunlun vs Kunlun Mountains

Kunlun and Kunlun Mountains both are nouns.

Word	Noun	Adjective	Verb	Adverb
Kunlun	Yes	No	No	No
Kunlun Mountains	Yes	No	No	No

As nouns, Kunlun and Kunlun Mountains are synonyms defined as:

Kunlun and Kunlun Mountains: a mountain range in western China that extends eastward from the Indian border for 1000 miles

Other synonyms of Kunlun include Kuenlun, Kuenlun Mountains, Kunlan Shan.

Kunlun (noun)	Kunlun Mountains (noun)
a mountain range in western China that extends eastward from the Indian border for 1000 miles	a mountain range in western China that extends eastward from the Indian border for 1000 miles