fragrance vs sweetness

fragrance and sweetness both are nouns.

Word	Noun	Adjective	Verb	Adverb
fragrance	Yes	No	No	No
sweetness	Yes	No	No	No

As nouns, fragrance and sweetness are synonyms defined as:

Other synonyms of fragrance include bouquet, fragrancy, redolence.

fragrance (noun)	sweetness (noun)
a pleasingly sweet olfactory property	the property of tasting as if it contains sugar
a distinctive odor that is pleasant	a pleasingly sweet olfactory property
	the quality of giving pleasure
	the taste experience when sugar dissolves in the mouth