absolute vs arbitrary

absolute is a noun but arbitrary is not a noun.

Word	Noun	Adjective	Verb	Adverb
absolute	Yes	Yes	No	No
arbitrary	No	Yes	No	No

absolute (noun)	arbitrary (noun)
something that is conceived or that exists independently and not in relation to other things; something that does not depend on anything else and is beyond human control; something that is not relative

absolute (adjective)	arbitrary (adjective)
perfect or complete or pure	based on or subject to individual discretion or preference or sometimes impulse or caprice
not limited by law
not capable of being violated or infringed
expressing finality with no implication of possible change
complete and without restriction or qualification; sometimes used informally as intensifiers