refractoriness vs refractory

refractoriness and refractory both are nouns.

Word	Noun	Adjective	Verb	Adverb
refractoriness	Yes	No	No	No
refractory	Yes	Yes	No	No

refractoriness (noun)	refractory (noun)
the trait of being unmanageable	lining consisting of material with a high melting point; used to line the inside walls of a furnace

refractoriness (adjective)	refractory (adjective)
	stubbornly resistant to authority or control
	temporarily unresponsive or not fully responsive to a process or stimulus
	not responding to treatment