Spanish Sahara vs Western Sahara

Spanish Sahara and Western Sahara both are nouns.

Word	Noun	Adjective	Verb	Adverb
Spanish Sahara	Yes	No	No	No
Western Sahara	Yes	No	No	No

As nouns, Spanish Sahara and Western Sahara are synonyms defined as:

Spanish Sahara and Western Sahara: an area in northwestern Africa with rich phosphate deposits; under Moroccan control since 1992

Spanish Sahara (noun)	Western Sahara (noun)
an area in northwestern Africa with rich phosphate deposits; under Moroccan control since 1992	an area in northwestern Africa with rich phosphate deposits; under Moroccan control since 1992
	partially recognized state in the western Maghreb