rubber cement vs adhesive agent

rubber cement and adhesive agent both are nouns.

Word	Noun	Adjective	Verb	Adverb
rubber cement	Yes	No	No	No
adhesive agent	Yes	No	No	No

As nouns, adhesive agent is a hypernym of rubber cement; that is, adhesive agent is a word with a broader meaning than rubber cement:

rubber cement: an adhesive made by dissolving unvulcanized rubber in a solvent like benzene or naphtha
adhesive agent: a substance that unites or bonds surfaces together

Other hypernyms of rubber cement include adhesive, adhesive material.

rubber cement (noun)	adhesive agent (noun)
an adhesive made by dissolving unvulcanized rubber in a solvent like benzene or naphtha	a substance that unites or bonds surfaces together