agreeableness vs sweetness

agreeableness and sweetness both are nouns.

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

As nouns, sweetness is a hypernym of agreeableness; that is, sweetness is a word with a broader meaning than agreeableness:

Other hypernyms of agreeableness include pleasantness.

agreeableness (noun)	sweetness (noun)
a temperamental disposition to be agreeable	the property of tasting as if it contains sugar
pleasantness resulting from agreeable conditions	a pleasingly sweet olfactory property
	the quality of giving pleasure
	the taste experience when sugar dissolves in the mouth