Cascades vs Cascade Range

Cascades and Cascade Range both are nouns.

Word	Noun	Adjective	Verb	Adverb
Cascades	Yes	No	No	No
Cascade Range	Yes	No	No	No

As nouns, Cascades and Cascade Range are synonyms defined as:

Cascades and Cascade Range: a mountain range in the northwestern United States extending through Washington and Oregon and northern California; a part of the Coast Range

Other synonyms of Cascades include Cascade Mountains.

Cascades (noun)	Cascade Range (noun)
a mountain range in the northwestern United States extending through Washington and Oregon and northern California; a part of the Coast Range	a mountain range in the northwestern United States extending through Washington and Oregon and northern California; a part of the Coast Range