dispassionateness vs dryness

dispassionateness and dryness both are nouns.

Word	Noun	Adjective	Verb	Adverb
dispassionateness	Yes	No	No	No
dryness	Yes	No	No	No

As nouns, dispassionateness and dryness are synonyms defined as:

Other synonyms of dispassionateness include dispassion.

dispassionateness (noun)	dryness (noun)
objectivity and detachment	objectivity and detachment
	moderation in or abstinence from alcohol or other drugs
	the condition of not containing or being covered by a liquid (especially water)