death instinct vs death wish

death instinct and death wish both are nouns.

Word	Noun	Adjective	Verb	Adverb
death instinct	Yes	No	No	No
death wish	Yes	No	No	No

As nouns, death instinct and death wish are synonyms defined as:

death instinct and death wish: (psychoanalysis) an unconscious urge to die

Other synonyms of death instinct include Thanatos.

death instinct (noun)	death wish (noun)
(psychoanalysis) an unconscious urge to die	(psychoanalysis) an unconscious urge to die