denial vs psychiatry

denial and psychiatry both are nouns.

Word	Noun	Adjective	Verb	Adverb
denial	Yes	No	No	No
psychiatry	Yes	No	No	No

denial (noun)	psychiatry (noun)
a defendant's answer or plea denying the truth of the charges against him	the branch of medicine dealing with the diagnosis and treatment of mental disorders
renunciation of your own interests in favor of the interests of others
the act of refusing to comply (as with a request)
the act of asserting that something alleged is not true
(psychiatry) a defense mechanism that denies painful thoughts