perfect vs immaculate

perfect is a noun but immaculate is not a noun.

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

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

perfect (adjective)	immaculate (adjective)
being complete of its kind and without defect or blemish	completely neat and clean
precisely accurate or exact	without fault or error
without qualification; used informally as (often pejorative) intensifiers	free from stain or blemish

perfect (verb)	immaculate (verb)
make perfect or complete