Karakoram Range vs Karakorum Range

Karakoram Range and Karakorum Range both are nouns.

Word	Noun	Adjective	Verb	Adverb
Karakoram Range	Yes	No	No	No
Karakorum Range	Yes	No	No	No

As nouns, Karakoram Range and Karakorum Range are synonyms defined as:

Karakoram Range and Karakorum Range: a mountain range in northern Kashmir; an extension of the Hindu Kush; contains the 2nd highest peak

Other synonyms of Karakoram Range include Karakoram, Mustagh, Mustagh Range.

Karakoram Range (noun)	Karakorum Range (noun)
a mountain range in northern Kashmir; an extension of the Hindu Kush; contains the 2nd highest peak	a mountain range in northern Kashmir; an extension of the Hindu Kush; contains the 2nd highest peak