Thanatos vs impulse

Thanatos and impulse both are nouns.

Word	Noun	Adjective	Verb	Adverb
Thanatos	Yes	No	No	No
impulse	Yes	No	No	No

As nouns, impulse is a hypernym of Thanatos; that is, impulse is a word with a broader meaning than Thanatos:

Other hypernyms of Thanatos include urge.

Thanatos (noun)	impulse (noun)
(psychoanalysis) an unconscious urge to die	the act of applying force suddenly
(Greek mythology) the Greek personification of death; son of Nyx	an impelling force or strength
	the electrical discharge that travels along a nerve fiber
	(electronics) a sharp transient wave in the normal electrical state (or a series of such transients)
	a sudden desire
	an instinctive motive