experienced vs veteran

experienced is not a noun while veteran is a noun.

Word	Noun	Adjective	Verb	Adverb
experienced	No	Yes	No	No
veteran	Yes	Yes	No	No

experienced (noun)	veteran (noun)
	an experienced person who has been through many battles; someone who has given long service
	a person who has served in the armed forces
	a serviceman who has seen considerable active service

experienced (adjective)	veteran (adjective)
having experience; having knowledge or skill from observation or participation	rendered competent through trial and experience