birdlime vs adhesive agent

birdlime and adhesive agent both are nouns.

Word	Noun	Adjective	Verb	Adverb
birdlime	Yes	No	Yes	No
adhesive agent	Yes	No	No	No

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

birdlime: a sticky adhesive that is smeared on small branches to capture small birds
adhesive agent: a substance that unites or bonds surfaces together

Other hypernyms of birdlime include adhesive, adhesive material.

birdlime (noun)	adhesive agent (noun)
a sticky adhesive that is smeared on small branches to capture small birds	a substance that unites or bonds surfaces together

birdlime (verb)	adhesive agent (verb)
spread birdlime on branches to catch birds