Spanish people vs Spanish

Spanish people and Spanish both are nouns.

Word	Noun	Adjective	Verb	Adverb
Spanish people	Yes	No	No	No
Spanish	Yes	Yes	No	No

As nouns, Spanish people and Spanish are synonyms defined as:

Spanish people (noun)	Spanish (noun)
the people of Spain	the Romance language spoken in most of Spain and the countries colonized by Spain
	the people of Spain

Spanish people (adjective)	Spanish (adjective)
	of or relating to or characteristic of Spain or the people of Spain