displacement vs defense

displacement and defense both are nouns.

Word	Noun	Adjective	Verb	Adverb
displacement	Yes	No	No	No
defense	Yes	No	No	No

As nouns, defense is a hypernym of displacement; that is, defense is a word with a broader meaning than displacement:

displacement: (psychiatry) a defense mechanism that transfers affect or reaction from the original object to some more acceptable one
defense: (psychiatry) an unconscious process that tries to reduce the anxiety associated with instinctive desires

Other hypernyms of displacement include defence, defence mechanism, defence reaction, defense mechanism, defense reaction.

displacement (noun)	defense (noun)
act of taking the place of another especially using underhanded tactics	(military) military action or resources protecting a country against potential enemies
act of removing from office or employment	the act of defending someone or something against attack or injury
the act of uniform movement	a defendant's answer or plea denying the truth of the charges against him
to move something from its natural environment	protection from harm
an event in which something is displaced without rotation	a structure used to defend against attack
(psychiatry) a defense mechanism that transfers affect or reaction from the original object to some more acceptable one	the justification for some act or belief
(chemistry) a reaction in which an elementary substance displaces and sets free a constituent element from a compound	the speech act of answering an attack on your assertions
	the defendant and his legal advisors collectively
	(sports) the team that is trying to prevent the other team from scoring
	an organization of defenders that provides resistance against attack
	(psychiatry) an unconscious process that tries to reduce the anxiety associated with instinctive desires