perfect vs flawless

perfect is a noun but flawless is not a noun.

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

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

perfect (adjective)	flawless (adjective)
being complete of its kind and without defect or blemish	without a flaw
precisely accurate or exact
without qualification; used informally as (often pejorative) intensifiers

perfect (verb)	flawless (verb)
make perfect or complete