undefiled vs perfect

undefiled is not a noun while perfect is a noun.

Word	Noun	Adjective	Verb	Adverb
undefiled	No	Yes	No	No
perfect	Yes	Yes	Yes	No

undefiled (noun)	perfect (noun)
	a tense of verbs used in describing action that has been completed (sometimes regarded as perfective aspect)

undefiled (adjective)	perfect (adjective)
(of language) not having its purity or excellence debased	being complete of its kind and without defect or blemish
free from stain or blemish	precisely accurate or exact
	without qualification; used informally as (often pejorative) intensifiers

undefiled (verb)	perfect (verb)
	make perfect or complete