impermanent vs permanent

impermanent is not a noun while permanent is a noun.

Word	Noun	Adjective	Verb	Adverb
impermanent	No	Yes	No	No
permanent	Yes	Yes	No	No

impermanent (noun)	permanent (noun)
	a series of waves in the hair made by applying heat and chemicals

impermanent (adjective)	permanent (adjective)
not permanent; not lasting	continuing or enduring without marked change in status or condition or place
existing or enduring for a limited time only	not capable of being reversed or returned to the original condition