upright vs uprightness

upright and uprightness both are nouns.

Word	Noun	Adjective	Verb	Adverb
upright	Yes	Yes	No	No
uprightness	Yes	No	No	No

upright (noun)	uprightness (noun)
a piano with a vertical sounding board	righteousness as a consequence of being honorable and honest
a vertical structural member as a post or stake	position at right angles to the horizon
	the property of being upright in posture

upright (adjective)	uprightness (adjective)
upright in position or posture
of moral excellence
in a vertical position; not sloping