mintiness vs aroma

mintiness and aroma both are nouns.

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

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

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

mintiness (noun)	aroma (noun)
The state or condition of having a flavour or essence of mint.	any property detected by the olfactory system
	a distinctive odor that is pleasant