death instinct vs Thanatos

death instinct and Thanatos both are nouns.

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

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

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

Other synonyms of death instinct include death wish.

death instinct (noun)	Thanatos (noun)
(psychoanalysis) an unconscious urge to die	(psychoanalysis) an unconscious urge to die
	(Greek mythology) the Greek personification of death; son of Nyx