unfluctuating vs stable

unfluctuating is not a noun while stable is a noun.

Word	Noun	Adjective	Verb	Adverb
unfluctuating	No	Yes	No	No
stable	Yes	Yes	Yes	No

unfluctuating (noun)	stable (noun)
	a farm building for housing horses or other livestock

unfluctuating (adjective)	stable (adjective)
not liable to fluctuate or especially to fall	resistant to change of position or condition
	maintaining equilibrium
	firm and dependable; subject to little fluctuation
	showing little if any change
	not taking part readily in chemical change

unfluctuating (verb)	stable (verb)
	shelter in a stable