enlighten vs enlightenment

enlighten is not a noun while enlightenment is a noun.

Word	Noun	Adjective	Verb	Adverb
enlighten	No	No	Yes	No
enlightenment	Yes	No	No	No

enlighten (noun)	enlightenment (noun)
	education that results in understanding and the spread of knowledge
	(Hinduism and Buddhism) the beatitude that transcends the cycle of reincarnation; characterized by the extinction of desire and suffering and individual consciousness

enlighten (verb)	enlightenment (verb)
make free from confusion or ambiguity; make clear
make understand
give spiritual insight to; in religion