arbitrement vs arbitration

arbitrement and arbitration both are nouns.

Word	Noun	Adjective	Verb	Adverb
arbitrement	Yes	No	No	No
arbitration	Yes	No	No	No

As nouns, arbitrement and arbitration are synonyms defined as:

arbitrement and arbitration: the act of deciding as an arbiter; giving authoritative judgment

Other synonyms of arbitrement include arbitrament.

arbitrement (noun)	arbitration (noun)
the act of deciding as an arbiter; giving authoritative judgment	the act of deciding as an arbiter; giving authoritative judgment
	(law) the hearing and determination of a dispute by an impartial referee agreed to by both parties (often used to settle disputes between labor and management)