veteran vs experient

veteran is a noun but experient is not a noun.

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

veteran (noun)	experient (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

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