downrightness vs straightness

downrightness and straightness both are nouns.

Word	Noun	Adjective	Verb	Adverb
downrightness	Yes	No	No	No
straightness	Yes	No	No	No

As nouns, straightness is a hypernym of downrightness; that is, straightness is a word with a broader meaning than downrightness:

Other hypernyms of downrightness include directness.

downrightness (noun)	straightness (noun)
the quality of being direct and straightforward	a sexual attraction to (or sexual relations with) persons of the opposite sex
	freedom from crooks or curves or bends or angles
	(of hair) lack of a tendency to curl
	having honest intentions
	trueness of course toward a goal