ginger pop vs ginger ale

ginger pop and ginger ale both are nouns.

Word	Noun	Adjective	Verb	Adverb
ginger pop	Yes	No	No	No
ginger ale	Yes	No	No	No

As nouns, ginger pop and ginger ale are synonyms defined as:

ginger pop (noun)	ginger ale (noun)
ginger-flavored carbonated drink	ginger-flavored carbonated drink