lactone vs exaltolide

lactone and exaltolide both are nouns.

Word	Noun	Adjective	Verb	Adverb
lactone	Yes	No	No	No
exaltolide	Yes	No	No	No

As nouns, exaltolide is a hyponym of lactone; that is, exaltolide is a word with a more specific, narrower meaning than lactone:

lactone: a cyclic intramolecular ester derived from a hydroxy acid.
exaltolide: the macrocyclic lactone having fifteen carbon atoms; it has a musky scent, similar to exaltone.

lactone (noun)	exaltolide (noun)
a cyclic intramolecular ester derived from a hydroxy acid.	the macrocyclic lactone having fifteen carbon atoms; it has a musky scent, similar to exaltone.