Spanish War vs Spanish-American War

Spanish War and Spanish-American War both are nouns.

Word	Noun	Adjective	Verb	Adverb
Spanish War	Yes	No	No	No
Spanish-American War	Yes	No	No	No

As nouns, Spanish War and Spanish-American War are synonyms defined as:

Spanish War and Spanish-American War: a war between the United States and Spain in 1898

Spanish War (noun)	Spanish-American War (noun)
a war between the United States and Spain in 1898	a war between the United States and Spain in 1898