drunken vs drunkenness

drunken is not a noun while drunkenness is a noun.

Word	Noun	Adjective	Verb	Adverb
drunken	No	Yes	No	No
drunkenness	Yes	No	No	No

drunken (noun)	drunkenness (noun)
	the act of drinking alcoholic beverages to excess
	a temporary state resulting from excessive consumption of alcohol
	habitual intoxication; prolonged and excessive intake of alcoholic drinks leading to a breakdown in health and an addiction to alcohol such that abrupt deprivation leads to severe withdrawal symptoms

drunken (adjective)	drunkenness (adjective)
given to or marked by the consumption of alcohol