referee vs refer

referee is a noun but refer is not a noun.

Word	Noun	Adjective	Verb	Adverb
referee	Yes	No	Yes	No
refer	No	No	Yes	No

referee (noun)	refer (noun)
(sports) the chief official (as in boxing or American football) who is expected to ensure fair play
someone who reads manuscripts and judges their suitability for publication
an attorney appointed by a court to investigate and report on a case

referee (verb)	refer (verb)
evaluate professionally a colleague's work	think of, regard, or classify under a subsuming principle or with a general group or in relation to another
be a referee or umpire in a sports competition	have as a meaning
	make reference to
	use a name to designate
	seek information from
	send or direct for treatment, information, or a decision
	be relevant to