redolence vs aroma

redolence and aroma both are nouns.

Word	Noun	Adjective	Verb	Adverb
redolence	Yes	No	No	No
aroma	Yes	No	No	No

As nouns, aroma is a hypernym of redolence; that is, aroma is a word with a broader meaning than redolence:

Other hypernyms of redolence include odor, odour, olfactory property, scent, smell.

redolence (noun)	aroma (noun)
a pleasingly sweet olfactory property	any property detected by the olfactory system
	a distinctive odor that is pleasant