sodium silicate vs soluble glass

sodium silicate and soluble glass both are nouns.

Word	Noun	Adjective	Verb	Adverb
sodium silicate	Yes	No	No	No
soluble glass	Yes	No	No	No

As nouns, sodium silicate and soluble glass are synonyms defined as:

sodium silicate and soluble glass: a viscous glass consisting of sodium silicate in solution; used as a cement or as a protective coating and to preserve eggs

Other synonyms of sodium silicate include water glass.

sodium silicate (noun)	soluble glass (noun)
a viscous glass consisting of sodium silicate in solution; used as a cement or as a protective coating and to preserve eggs	a viscous glass consisting of sodium silicate in solution; used as a cement or as a protective coating and to preserve eggs