death wish vs Thanatos

death wish and Thanatos both are nouns.

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

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

Other synonyms of death wish include death instinct.

death wish (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