immobile vs stabile

immobile is not a noun while stabile is a noun.

Word	Noun	Adjective	Verb	Adverb
immobile	No	Yes	No	No
stabile	Yes	Yes	No	No

immobile (noun)	stabile (noun)
	a sculpture having fixed units (usually constructed of sheet metal) and attached to a fixed support

immobile (adjective)	stabile (adjective)
not capable of movement or of being moved	not able or intended to be moved
securely fixed in place	(chemistry, physics, biology) resistant to change