Old Glory vs Stars and Stripes

Old Glory and Stars and Stripes both are nouns.

Word	Noun	Adjective	Verb	Adverb
Old Glory	Yes	No	No	No
Stars and Stripes	Yes	No	No	No

As nouns, Old Glory and Stars and Stripes are synonyms defined as:

Old Glory and Stars and Stripes: the national flag of the United States of America

Other synonyms of Old Glory include American flag, Star-Spangled Banner.

Old Glory (noun)	Stars and Stripes (noun)
the national flag of the United States of America	the national flag of the United States of America