Stars and Stripes vs Star-Spangled Banner

Stars and Stripes and Star-Spangled Banner both are nouns.

Word	Noun	Adjective	Verb	Adverb
Stars and Stripes	Yes	No	No	No
Star-Spangled Banner	Yes	No	No	No

As nouns, Stars and Stripes and Star-Spangled Banner are synonyms defined as:

Stars and Stripes and Star-Spangled Banner: the national flag of the United States of America

Other synonyms of Stars and Stripes include American flag, Old Glory.

Stars and Stripes (noun)	Star-Spangled Banner (noun)
the national flag of the United States of America	the national flag of the United States of America