erectness vs uprightness

erectness and uprightness both are nouns.

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

As nouns, erectness and uprightness are synonyms defined as:

As nouns, erectness and uprightness are synonyms defined as:

Other synonyms of erectness include verticality, verticalness.

erectness (noun)	uprightness (noun)
the property of being upright in posture	righteousness as a consequence of being honorable and honest
position at right angles to the horizon	position at right angles to the horizon
	the property of being upright in posture