Western Sahara vs Spanish Sahara

Western Sahara and Spanish Sahara both are nouns.

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

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

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

Western Sahara (noun)	Spanish 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