arbitrary vs absolute

arbitrary is not a noun while absolute is a noun.

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

arbitrary (noun)	absolute (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

arbitrary (adjective)	absolute (adjective)
based on or subject to individual discretion or preference or sometimes impulse or caprice	perfect or complete or pure
	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