Karakorum Range vs Karakoram

Karakorum Range and Karakoram both are nouns.

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

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

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

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

Karakorum Range (noun)	Karakoram (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