ginger ale vs ginger pop

ginger ale and ginger pop both are nouns.

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

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

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