spirit gum vs adhesive agent

spirit gum and adhesive agent both are nouns.

Word	Noun	Adjective	Verb	Adverb
spirit gum	Yes	No	No	No
adhesive agent	Yes	No	No	No

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

spirit gum: an adhesive solution made of gum and ether and used to attach false hair to skin
adhesive agent: a substance that unites or bonds surfaces together

Other hypernyms of spirit gum include adhesive, adhesive material.

spirit gum (noun)	adhesive agent (noun)
an adhesive solution made of gum and ether and used to attach false hair to skin	a substance that unites or bonds surfaces together