wildness vs untamed

wildness is a noun but untamed is not a noun.

Word	Noun	Adjective	Verb	Adverb
wildness	Yes	No	No	No
untamed	No	Yes	No	No

wildness (noun)	untamed (noun)
an intractably barbarous or uncultivated state of nature
an unruly disposition to do as one pleases
the property of being wild or turbulent
a feeling of extreme emotional intensity

wildness (adjective)	untamed (adjective)
	in a natural state; not tamed or domesticated or cultivated