gibberellic acid vs gibberellin

gibberellic acid and gibberellin both are nouns.

Word	Noun	Adjective	Verb	Adverb
gibberellic acid	Yes	No	No	No
gibberellin	Yes	No	No	No

As nouns, gibberellin is a hypernym of gibberellic acid; that is, gibberellin is a word with a broader meaning than gibberellic acid:

gibberellic acid: a crystalline acid associated with gibberellin
gibberellin: a plant hormone isolated from a fungus; used in promoting plant growth

gibberellic acid (noun)	gibberellin (noun)
a crystalline acid associated with gibberellin	a plant hormone isolated from a fungus; used in promoting plant growth