preceding vs precedent

preceding is not a noun while precedent is a noun.

Word	Noun	Adjective	Verb	Adverb
preceding	No	Yes	No	No
precedent	Yes	Yes	No	No

preceding (noun)	precedent (noun)
	an example that is used to justify similar occurrences at a later time
	(civil law) a law established by following earlier judicial decisions
	a subject mentioned earlier (preceding in time)
	a system of jurisprudence based on judicial precedents rather than statutory laws

preceding (adjective)	precedent (adjective)
existing or coming before	preceding in time, order, or significance
of a person who has held and relinquished a position or office