soda vs sal soda

soda and sal soda both are nouns.

Word	Noun	Adjective	Verb	Adverb
soda	Yes	No	No	No
sal soda	Yes	No	No	No

As nouns, soda and sal soda are synonyms defined as:

soda and sal soda: a sodium salt of carbonic acid; used in making soap powders and glass and paper

Other synonyms of soda include soda ash, sodium carbonate, washing soda.

soda (noun)	sal soda (noun)
a sweet drink containing carbonated water and flavoring	a sodium salt of carbonic acid; used in making soap powders and glass and paper
a sodium salt of carbonic acid; used in making soap powders and glass and paper