refer vs referral

refer is not a noun while referral is a noun.

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

refer (noun)	referral (noun)
	the act of referring (as forwarding an applicant for employment or referring a matter to an appropriate agency)
	a recommendation to consult the (professional) person or group to whom one has been referred
	a person whose case has been referred to a specialist or professional group

refer (verb)	referral (verb)
think of, regard, or classify under a subsuming principle or with a general group or in relation to another
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