outwardness vs outward

outwardness is a noun but outward is not a noun.

Word	Noun	Adjective	Verb	Adverb
outwardness	Yes	No	No	No
outward	No	Yes	No	Yes

outwardness (noun)	outward (noun)
the quality or state of being outside or directed toward or relating to the outside or exterior
a concern with or responsiveness to outward things (especially material objects as opposed to ideal concepts)
concern with outward things or material objects as opposed to the mind and spirit

outwardness (adjective)	outward (adjective)
	relating to physical reality rather than with thoughts or the mind
	that is going out or leaving

outwardness (adverb)	outward (adverb)
	toward the outside